/* =========================
   1. DESIGN TOKENS
========================= */

:root {
  --brand-blue-1: #6c7bff;
  --brand-blue-2: #4f5fe0;
  --brand-amber-1: #ffc857;
  --brand-amber-2: #ff9f1c;
  --brand-dark: #0f172a;
  --brand-text: #1e293b;
  --brand-muted: var(--color-text-muted);
  --brand-bg-light: #ffffff;
  --brand-bg-soft: #f8fafc;
  --brand-border: var(--color-border);
  --brand-border-strong: #c8d4e5;
  --radius-logo: 12px;

  --bg: var(--brand-bg-soft);
  --card: var(--brand-bg-light);
  --text: var(--brand-text);
  --muted: var(--brand-muted);
  --border: var(--brand-border);
  --accent: var(--brand-blue-1);
  --color-bg: var(--brand-bg-soft);
  --color-surface: var(--brand-bg-light);
  --color-surface-muted: var(--brand-bg-soft);
  --color-text: var(--brand-text);
  --color-text-muted: var(--brand-muted);
  --color-border: var(--brand-border);
  --color-border-strong: var(--brand-border-strong);
  --color-primary: var(--brand-blue-1);
  --color-primary-strong: var(--brand-blue-2);
  --color-primary-soft: #eef1ff;
  --color-accent: var(--brand-amber-1);
  --color-accent-strong: var(--brand-amber-2);

  --radius: 12px;
  --radius-sm: 8px;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;

  --shadow: 0 12px 32px rgba(15, 23, 42, 0.05);
}

/* =========================
   2. GLOBAL BASE
========================= */

body {
  font-family: 'Inter', system-ui, sans-serif !important;
  color: var(--text) !important;
  margin: 0;

  /* subtle blur gradient background */
  background:
    radial-gradient(circle at 10% 20%, rgba(99,102,241,0.12), transparent 15%),
    radial-gradient(circle at 90% 0%, rgba(99,102,241,0.10), transparent 10%),
    radial-gradient(circle at 50% 100%, rgba(108, 123, 255, 0.10), transparent 50%),
    var(--bg);
}

html,
body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
button, select, input {
  transition: all 0.15s ease;
}
/* =========================
   3. LAYOUT SYSTEM
========================= */

main.container {
  max-width: 1100px;
  margin: 30px auto;
  padding: 0 0px;
}

/* =========================
   4. SECTION SYSTEM
========================= */

.content-section {
  padding-left: 4px;
  padding-right: 4px;
}

.section-surface {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--color-border);
}

.section-shell {
  box-shadow: var(--shadow);
}

/* =========================
   5. HERO
========================= */

.hero {
  text-align: center;
  padding: 24px 16px 16px; /* tighter */

}

.hero h1 {
  font-size: 60px;
  margin-bottom: 10px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-highlight {
  display: block;
  color: var(--color-accent-strong);
  font-weight: 600;
  margin-top: 6px;
}

.hero p {
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto;
  font-size: 16px;
}

/* =========================
   6. TOOL AREA
========================= */

.tool-ui {
  max-width: 1000px;
  min-width: 0;
  margin: 0 auto;

  padding: 10px;

  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(8px);

  border-radius: 20px;
}

.tool-shell {
  min-width: 0;
}

#audio-tool {
  min-width: 0;
}

#audio-tool [data-role="convertBtn"] {
  width: 100%;
}

.tool-ui::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);

  background: linear-gradient(
    to bottom,
    rgba(255,255,255,0.6),
    transparent 40%
  );

  pointer-events: none;
}

/* Upload box enhancement (safe override) */
/* =========================
   UPLOAD INTERACTION UPGRADE
========================= */

.upload-box {
  max-width: 950px;
  margin: 0 auto;

  padding: 1.35rem 1.5rem;

  border: 1px solid #5b6cef;
  border-radius: var(--radius);

  background: rgba(99,102,241,0.04);
}
.upload-box:hover {
  border-color: var(--color-primary-strong);
  background: rgba(99,102,241,0.05);

  transform: translateY(-2px);
}

.upload-box:active {
  transform: scale(0.98);
}

.upload-box:focus {
  outline: none;
  border-color: var(--color-primary-strong);
  box-shadow: 0 0 0 3px rgba(79, 95, 224, 0.14);
}

.upload-box.dragover {
  border-color: var(--color-primary-strong);
  background: rgba(108, 123, 255, 0.10);

  transform: scale(1.02);
}

.upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
}

.upload-icon {
  width: 48px;
  height: 48px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 12px;
  background: rgba(108, 123, 255, 0.10);
  color: var(--color-primary-strong);
}

.upload-icon {
  display: none !important;
}

.upload-box:hover .upload-icon {
  transform: scale(1.05);
}

.upload-dropzone__primary {
  font-size: 17px;
  font-weight: 600;
}

.upload-dropzone__secondary {
  font-size: 14px;
  color: var(--muted);
}

.upload-dropzone__meta,
.upload-dropzone__privacy {
  font-size: 12px;
  color: var(--muted);
}

.privacy-badge {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);

  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
}

/* =========================
   UPLOAD ILLUSTRATION
========================= */

.upload-illustration {
  width: 176px;
  height: 84px;

  display: flex;
  align-items: center;
  justify-content: center;

  margin-bottom: 8px;
}

.upload-illustration img {
  width: 80%;
  height: auto;
  transition: transform 0.2s ease;
}

/* subtle interaction */
.upload-box:hover .upload-illustration img {
  transform: translateY(-2px) scale(1.03);
}

/* =========================
   TOOL SECTION (NEW)
========================= */

.tool-section {
  width: 100%;
  margin-left: 0;
  margin-right: 0;
  box-sizing: border-box;

  /* keep your spacing */
  margin-top: 20px;
  margin-bottom: 20px;
  padding: 20px 12px;

  /* keep your design */
  background: linear-gradient(
    to bottom,
    rgba(99,102,241,0.06),
    rgba(99,102,241,0.02)
  );

  border-radius: 20px;
}

/* override upload.css restriction */
.upload-shell {
  max-width: 100% !important;
}
.tool-shell {
  margin-top: 12px;
}

/* =========================
   7. INPUTS
========================= */

input, textarea, select {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-family: inherit;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary-strong);
}

/* =========================
   8. BUTTONS
========================= */

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: 0.2s ease;
}

button:hover {
  opacity: 0.9;
}

/* =========================
   9. TYPOGRAPHY
========================= */

h1, h2, h3 {
  font-family: 'Raleway', sans-serif;
}

h1 {
  font-weight: 700;
  letter-spacing: -0.5px;
}

h2 {
  font-weight: 600;
  letter-spacing: -0.3px;
  margin-bottom: var(--space-2);
}

h3 {
  font-weight: 600;
}

p {
  color: var(--muted);
  line-height: 1.6;
}

a {
  color: var(--color-primary-strong);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* =========================
   10. LIST SYSTEM
========================= */

.icon-list li,
.step-list li {
  margin-bottom: var(--space-2);
}

/* =========================
   11. SUPPORTED SECTION
========================= */

.supported-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  text-align: center;
}

.supported-row img {
  height: 24px;
}

.supported-text {
  color: var(--muted);
  font-size: 14px;
}

/* =========================
   FAQ UPGRADE
========================= */

details {
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
  margin-bottom: var(--space-2);
  background: white;
  transition: all 0.2s ease;
}

details:hover {
  border-color: var(--color-primary-strong);
}

summary {
  cursor: pointer;
  font-weight: 500;
  list-style: none;
  position: relative;

  display: flex;
  align-items: center;

  padding: 16px 40px 16px 16px;
}

/* Remove default arrow */
summary::-webkit-details-marker {
  display: none;
}

/* Custom arrow */
summary::after {
  content: "+";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: var(--muted);
  transition: transform 0.2s ease;
}

/* Rotate when open */
details[open] summary::after {
  content: "−";
}

/* Answer spacing */
details p {
  margin: 0;
  padding: 12px 16px 16px;
  border-top: 1px solid rgba(0,0,0,0.06);
  color: var(--muted);
}

summary:hover {
  background: rgba(0,0,0,0.02);
}


/* =========================
   13. RELATED TOOLS
========================= */

#related-tools {
  margin-top: var(--space-4);
}

/* =========================
   14. HEADER UPGRADE
========================= */

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-width: 0;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-size: 14px;
  color: var(--muted);
  transition: 0.2s ease;
}

.nav-links a:hover {
  color: var(--text);
}

/* =========================
   15. FOOTER
========================= */

footer {
  margin-top: var(--space-5);
  background: #0F172A; /* dark separation */
  color: #CBD5F5;
}


.footer-title {
  font-weight: 600;
  margin-bottom: 10px;
  color: #fff;
}

.footer-text {
  color: var(--brand-muted);
  text-decoration: none;
  font-size: 14px;
}

.footer-text:hover {
  color: #fff;
}

.footer-small {
  margin-top: var(--space-3);
  font-size: 13px;
  color: var(--brand-muted);
}

/* Footer layout */
.footer-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px;
  color: var(--text-primary);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
}

.footer-col h4 {
  font-size: 14px;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

/* =========================
   FOOTER BRAND
========================= */

.footer-brand {
  max-width: 260px;
}

.footer-brand h3 {
  font-size: 16px;
  margin-bottom: var(--space-1);
  color: var(--text-primary);
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* bottom bar */
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 16px 20px;

  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;

  max-width: 1100px;
  margin: 0 auto;
}

.footer-legal,
.footer-social {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-legal a,
.footer-social a {
  font-size: 13px;
  color: var(--brand-muted);
}

.footer-legal a:hover,
.footer-social a:hover {
  color: #fff;
}


/* =========================
   16. MOBILE OPTIMIZATION
========================= */

@media (max-width: 768px) {
  .hero h1 {
    font-size: 26px;
  }

  main.container {
  margin: 30px auto 60px;
  }

  .section-surface {
    padding: 16px;
  }
}
/* =========================
   STEP CARDS
========================= */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}

.step-card {
  background: var(--color-surface-muted);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius);
  padding: var(--space-3);
  text-align: center;
  box-shadow: none;
}

.step-number {
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-2);
  font-weight: 600;
}

.step-card h3 {
  margin-bottom: var(--space-1);
}

/* Mobile */
@media (max-width: 768px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }
}
/* =========================
   WHY SECTION
========================= */

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.why-item {
  background: var(--color-surface-muted);
  padding: var(--space-3);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.why-item h3 {
  margin-bottom: var(--space-1);
}

/* Mobile */
@media (max-width: 768px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================
   BENEFITS SECTION
========================= */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.benefit-item {
  padding: var(--space-2);
}

.benefit-item h3 {
  margin-bottom: var(--space-1);
  font-size: 16px;
}

/* Mobile */
@media (max-width: 768px) {
  .benefits-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================
   AI SECTION
========================= */

.ai-section {
  text-align: center;
  padding: var(--space-4) var(--space-3);
}

.ai-section h2 {
  margin-bottom: var(--space-2);
}

.ai-section p {
  max-width: 600px;
  margin: 0 auto;
}

/* =========================
   SUPPORTED SECTION REFINED
========================= */

.supported-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-align: center;
}

.supported-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.supported-label {
  font-size: 14px;
  color: var(--muted);
}

.supported-items {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.supported-items span {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--color-surface-muted);
  border: 1px solid var(--border);
  font-size: 13px;
}

.supported-items.flags img {
  height: 20px;
  border-radius: 4px;
}

.supported-divider {
  height: 1px;
  background: var(--border);
  width: 60%;
  margin: 0 auto;
}

/* =========================
   MOBILE MENU
========================= */

.menu-toggle {
  display: none;
  font-size: 0;
  background: none;
  border: none;
  cursor: pointer;
}

/* Mobile styles */
@media (max-width: 768px) {

  header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  body.menu-open {
    overflow: hidden;
  }

  body.menu-open::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.28);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1198;
  }

  body.menu-open header {
    z-index: 1202;
    background: rgba(255, 255, 255, 0.94);
    border-bottom-color: rgba(219, 228, 240, 0.9);
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    padding: 0;
    border-radius: 18px;
    border: 1px solid rgba(108, 123, 255, 0.18);
    background: linear-gradient(180deg, rgba(108, 123, 255, 0.16), rgba(79, 95, 224, 0.12));
    box-shadow: 0 12px 28px rgba(79, 95, 224, 0.16);
    color: transparent;
    position: relative;
    z-index: 1201;
    transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
  }

  .menu-toggle__icon {
    position: relative;
    width: 24px;
    height: 18px;
    display: block;
  }

  .menu-toggle__icon span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 3px;
    border-radius: 999px;
    background: var(--color-text);
    transform-origin: center;
    transition: transform 0.25s ease, opacity 0.2s ease, top 0.25s ease, background 0.25s ease;
  }

  .menu-toggle__icon span:nth-child(1) {
    top: 0;
  }

  .menu-toggle__icon span:nth-child(2) {
    top: 7px;
  }

  .menu-toggle__icon span:nth-child(3) {
    top: 14px;
  }

  .menu-toggle.is-active {
    position: fixed;
    top: 16px;
    right: 16px;
    background: var(--color-surface);
    border-color: rgba(219, 228, 240, 0.95);
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.16);
  }

  .menu-toggle.is-active .menu-toggle__icon span:nth-child(1) {
    top: 7px;
    transform: rotate(45deg);
  }

  .menu-toggle.is-active .menu-toggle__icon span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.is-active .menu-toggle__icon span:nth-child(3) {
    top: 7px;
    transform: rotate(-45deg);
  }

  .nav-links {
    position: fixed;
    top: 88px;
    right: 12px;
    left: 12px;
    bottom: auto;
    width: auto;
    max-height: min(calc(100vh - 108px), 360px);
    z-index: 1199;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 14px;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    justify-content: flex-start;
    gap: 12px;
    overflow-y: auto;
    border: 1px solid rgba(219, 228, 240, 0.96);
    border-radius: 26px;
    box-shadow: 0 20px 48px rgba(15, 23, 42, 0.16);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-12px) scale(0.985);
    transform-origin: top center;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .nav-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 60px;
    padding: 0 18px;
    border-radius: 16px;
    border: 1px solid rgba(219, 228, 240, 0.95);
    background: rgba(248, 250, 252, 0.82);
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 600;
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.05);
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
  }

  .nav-links a:hover,
  .nav-links a:focus-visible {
    background: rgba(255, 255, 255, 0.96);
    border-color: rgba(108, 123, 255, 0.22);
    transform: translateY(-1px);
  }

  .nav-links a::after {
    content: "›";
    font-size: 1.5rem;
    color: var(--color-text-muted);
  }
}

/* =========================
   HERO GLOW ACCENT
========================= */

.hero {
  position: relative;
  z-index: 1;
}

/* glow layer */
.hero::before {
  content: "";
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;

  background: radial-gradient(
    circle,
    rgba(99,102,241,0.18),
    transparent 70%
  );

  filter: blur(60px);
  z-index: -1;
}

/* =========================
   CONTENT FLOW (EDITORIAL STYLE)
========================= */

.content-flow {
  max-width: 900px;
  margin: 0 auto;
}

.content-flow h2 {
  margin-bottom: 12px;
}

.content-flow h3 {
  margin-top: 28px;
  margin-bottom: 8px;
  font-size: 18px;
}

.content-flow p {
  margin-bottom: 12px;
}

.content-flow ul {
  padding-left: 18px;
  margin-bottom: 16px;
}

.content-flow li {
  margin-bottom: 8px;
}

.use-icon {
  width: 40px;
  height: 40px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 10px;
  background: rgba(108, 123, 255, 0.10);

  color: var(--color-primary-strong);
}

/* Make icons look clean */
.use-icon svg {
  width: 20px;
  height: 20px;
}

/* =========================
   RELATED TOOLS
========================= */

.related-tools {
  text-align: center;
}

.related-tools h2 {
  margin-bottom: 20px;
}

.tool-pills {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.tool-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;

  padding: 10px 16px;
  border-radius: 999px;

  background: rgba(108, 123, 255, 0.10);
  color: var(--color-text);

  font-size: 14px;
  text-decoration: none;

  transition: all 0.2s ease;
}

/* hover (important) */
.tool-pill:hover {
  background: rgba(108, 123, 255, 0.12);
  color: var(--color-primary-strong);
  transform: translateY(-1px);
}

.tool-pill::after {
  content: "›";
  font-size: 14px;
  opacity: 0.6;
  color: var(--color-accent-strong);
}

.tool-pills-label {
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
  font-size: 14px;
  color: var(--muted);
}


/* =========================
   TOOL LINKS GRID (PRIMARY CARDS)
========================= */

.tool-links-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-3);
  align-items: stretch; /* important */
}

/* cards */
.tool-link {
  height: 100%;
  display: block;
  text-decoration: none;

  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);

  padding: var(--space-3);

  transition: all 0.2s ease;

  text-align: left;
}

/* hover */
.tool-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* title */
.tool-link strong {
  display: block;
  margin-bottom: 6px;
  color: var(--color-text);
  font-size: 15px;
  text-align: left;
}

/* description */
.tool-link span {
  font-size: 13px;
  color: var(--muted);
  text-align: left;
}

@media (max-width: 900px) {
  .tool-links-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .tool-links-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================
   RELATED ARTICLES
========================= */

.related-articles h2 {
  margin-bottom: 20px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.article-card {
  display: block;
  text-decoration: none;
  color: inherit;

  border-radius: 16px;
  overflow: hidden;

  background: #fff;
  border: 1px solid var(--border);

  transition: all 0.2s ease;
}

.article-card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
}

.article-content {
  padding: 14px;
}

.article-date {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.article-card h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.article-desc {
  font-size: 13px;
  color: var(--muted);
}

/* hover */
.article-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}

/* =========================
   USE CASE GRID (2 COLUMN)
========================= */

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

/* mobile */
@media (max-width: 768px) {
  .use-case-grid {
    grid-template-columns: 1fr;
  }
}

.use-case {
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

/* remove last row borders */
.use-case:nth-last-child(-n+2) {
  border-bottom: none;
}

.trust-line {
  margin: 16px auto 0;
  width: fit-content;
  max-width: 100%;

  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;

  padding: 6px 12px;
  border-radius: 999px;

  background: rgba(34,197,94,0.08);
  color: #166534;

  font-size: 13px;
  text-align: center;
}

/* =========================
   LAYOUT FIX
========================= */

.tool-shell {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tool-shell > div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  min-width: 0;
}

/* =========================
   FORM CONTROLS (GLOBAL CLEAN)
========================= */

/* wrapper alignment */
label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

/* checkbox base */
input[type="checkbox"] {
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 1.5px solid #CBD5F5;
  background: #fff;
  position: relative;
}

input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--color-primary-strong);
}

input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;

  top: 2px;
  left: 5px;

  width: 4px;
  height: 8px;

  border: solid white;
  border-width: 0 2.5px 2.5px 0;

  transform: rotate(45deg);
}

/* text next to checkbox */
label span,
label {
  font-size: 14px;
  color: var(--color-text);
}

/* =========================
   TOOL BUTTON GROUPING
========================= */

/* each row */
#audio-tool .tool-shell > div {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

/* separate control row vs action row */
#audio-tool .tool-shell > div:nth-child(2) {
  margin-top: 8px;
}

#audio-tool label {
  display: inline-flex;
  align-items: center;
  gap: 6px;

  margin-left: 6px;
}

/* waveform spacing */
#audio-tool canvas {
  margin-bottom: 14px;
}

#audio-tool button[data-role="advancedToggle"] {
  background: #F9FAFB;
  color: #6B7280;
}

#audio-tool button[data-role="advancedToggle"]:hover {
  background: #F3F4F6;
}

/* =========================
   TOOL ROW STRUCTURE
========================= */

#audio-tool .at-row {
  flex-wrap: wrap;
  width: 100%;
}

/* tighten waveform gap */
#audio-tool canvas.at-wave {
  margin-bottom: 8px;
}

/* =========================
   TIMELINE FINAL FIX
========================= */

#audio-tool .at-times {
  display: flex !important;              /* switch to flex (not grid) */
  justify-content: space-between;        /* left / center / right */
  align-items: center;

  width: 100%;
  margin-top: 6px;
  text-align: center;
  font-size: 13px;
}

/* all spans */
#audio-tool .at-times span {
  flex: 0 0 auto;
  white-space: nowrap;

  font-variant-numeric: tabular-nums;
}

/* center (duration) */
#audio-tool .at-times span:nth-child(2) {
  text-align: center;
  color: var(--muted);
}

/* left & right */
#audio-tool .at-times span:first-child,
#audio-tool .at-times span:last-child {
  color: var(--color-text);
}

/* =========================
   ADVANCED OPTIONS (FINAL CLEAN SYSTEM)
========================= */

/* =========================
   ADVANCED OPTIONS (JS STRUCTURE FIXED)
========================= */

/* container */
#audio-tool [data-role="advancedPanel"] {
  margin-top: 14px;
  padding-top: 14px;

  border-top: 1px solid rgba(0,0,0,0.05);

  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* row */
#audio-tool .at-field {
  display: grid;
  grid-template-columns: 80px auto;
  align-items: center;

  gap: 12px;
}

#audio-tool .at-label {
  font-size: 13px;
  color: var(--muted);
}

/* select */
#audio-tool .at-field select {
  width: 150px;
  height: 34px;

  padding: 0 12px;

  border-radius: 10px;
  border: 1px solid rgba(108, 123, 255, 0.24);

  background-color: #F9FAFB;

  font-size: 14px;
  font-family: 'Inter', sans-serif;

  cursor: pointer;
  transition: all 0.15s ease;
}

/* hover */
#audio-tool .at-field select:hover {
  background-color: #F3F4F6;
}

/* focus */
#audio-tool .at-field select:focus {
  outline: none;
  border-color: var(--color-primary-strong);
  background: #fff
    url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 20 20' fill='none' stroke='%236366F1' stroke-width='2'%3E%3Cpath d='M6 8l4 4 4-4'/%3E%3C/svg%3E")
    no-repeat right 10px center;

  box-shadow: 0 0 0 3px rgba(79, 95, 224, 0.14);
}

/* active */
#audio-tool .at-field select:active {
  transform: scale(0.98);
}

/* mobile */
@media (max-width: 480px) {
  #audio-tool .at-field {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  #audio-tool .at-field select {
    width: 100%;
    max-width: 100%;
  }
}

@media (max-width: 768px) {

  #audio-tool .tool-shell > div {
    flex-direction: column;
    align-items: stretch;
  }

}

#audio-tool .at-advanced {
  width: 100%;
  margin-top: 14px;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--color-surface);
}

#audio-tool .at-advanced summary {
  min-height: 52px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  background: rgba(108, 123, 255, 0.10);
  color: var(--color-primary-strong);
  font-weight: 700;
}

#audio-tool .at-advanced summary::after {
  display: none;
}

#audio-tool .advanced-icon {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

#audio-tool .at-advanced[open] .advanced-icon {
  transform: rotate(45deg);
}

#audio-tool .advanced-panel {
  padding: 16px;
  display: grid;
  gap: 14px;
}

#audio-tool .advanced-toggle,
#audio-tool .speed-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

#audio-tool .advanced-note {
  display: none;
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-text-muted);
  margin: 6px 0 0;
}

#audio-tool .advanced-note.is-visible {
  display: block;
}

#audio-tool .pitch-quality-note {
  display: none;
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--color-text-muted);
}

#audio-tool .pitch-quality-note.is-visible {
  display: block;
}

/* Keep hidden speed slider truly hidden */
#audio-tool #speedControlGroup[hidden] {
  display: none !important;
}

#audio-tool .analysis-card {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

#audio-tool .analysis-item {
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface-muted);
}

#audio-tool .analysis-item span {
  display: block;
  font-size: 12px;
  color: var(--color-text-muted);
}

#audio-tool .analysis-item strong {
  display: block;
  margin-top: 4px;
  color: #0f172a;
}

@media (max-width: 640px) {
  #audio-tool .analysis-card {
    grid-template-columns: 1fr;
  }
}

#audio-tool select {
  min-width: 140px;
}

#audio-tool .at-file-row {
  justify-content: space-between;
}

#audio-tool [data-role="fileRow"] {
  justify-content: space-between;
}

/* =========================
   FILE BAR (MINIMAL UI)
========================= */

/* Apply to ALL tools, not just trim */
.at-file-row {
  display: flex;
  align-items: center;
  gap: 8px;

  width: 100%;
  min-width: 0;
}

.at-file-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

#file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
  flex: 1;
}

/* left group */
#audio-tool .at-file-info {
  display: flex;
  align-items: center;
  gap: 8px;

  flex: 1 1 0%;   /* not auto; this is key */
  min-width: 0;
  overflow: hidden;
}

/* Master alignment fix */

#audio-tool .tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;   /* this is the key */
  gap: 14px;
 
}

#audio-tool .waveform-block {
  display: flex;
  flex-direction: column;
  align-items: center;;
}

#audio-tool .tool-card:hover {
  transform: none;
}

#audio-tool .play-block {
  display: flex;
  justify-content: center;
  width: 100%;
  margin-top: -6px;
}

#audio-tool .pitch-block {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

/* filename (this is the missing piece) */
#audio-tool .at-file-name {
  flex: 1 1 auto;
  min-width: 0;

  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* button */
#audio-tool .at-btn-soft {
  flex: 0 0 auto;
}

#audio-tool .at-file-info svg {
  flex: 0 0 auto;
}

#audio-tool .content-wrap {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
}
/* =========================
   WAVE FADE OVERLAY
========================= */

#audio-tool .at-wave-wrap {
  position: relative;
}

#audio-tool .at-fade-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* fade blocks */
#audio-tool .fade-in,
#audio-tool .fade-out {
  position: absolute;
  top: 0;
  bottom: 0;

  opacity: 0.18;
  transition: width 0.2s ease;
}

/* fade-in (left side) */
#audio-tool .fade-in {
  left: 0;
  width: 0;

  background: linear-gradient(
    to right,
    var(--accent),
    transparent
  );
}

/* fade-out (right side) */
#audio-tool .fade-out {
  right: 0;
  width: 0;

  background: linear-gradient(
    to left,
    var(--accent),
    transparent
  );
}

/* =========================
   MOBILE LAYOUT - CLEAN SAAS
========================= */

#audio-tool .at-wave-wrap {
  width: 100%;
  max-width: 900px;;
  overflow: hidden;
}

#audio-tool canvas.at-wave {
  width: 100% !important;
  height: 180px !important;
  image-rendering: auto;
  display: block;
}

#audio-tool .at-wave-wrap {
  margin: 0 auto;
}

.tool-ui,
.upload-shell,
.upload-box,
#tool-shell,
#audio-tool {
  max-width: 100%;
  overflow-x: clip;
}

#audio-tool .at-controls-vertical {
  display: grid !important;
  grid-template-columns: 1fr;
  justify-items: center;
  align-items: center;
  gap: 16px !important;
  margin-top: 18px;
}

#audio-tool .at-controls-vertical .at-btn {
  width: auto;
  min-width: 90px;
  margin: 0 !important;
}

/* Full width container */
#audio-tool .pitch-controls {
  width: 100% !important;
  max-width: none !important;
  margin: 5px 0 0 !important;
  padding: 0 !important;
  display: block !important;
}

/* Play + Export stretch full width */
#audio-tool .pitch-actions {
  width: 100% !important;
  max-width: none !important;
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 12px !important;
  margin: 0 0 16px !important;
  padding: 0 !important;
}

/* Buttons fill evenly */
#audio-tool .pitch-actions .at-btn {
  width: 150px !important;
  min-width: 150px !important;
  max-width: 150px !important;
  flex: 0 0 150px !important;
}

/* Slider row = full width */
#audio-tool .pitch-inline {
  position: relative !important;
  width: 100% !important;
  max-width: none !important;
  display: block !important;
  grid-template-columns: minmax(0, 1fr) auto !important;
  align-items: center !important;
  gap: 14px !important;
  margin: 0 !important;
  padding: 0 !important;
  padding-top: 10px;
  padding-bottom: 34px;
}

#audio-tool .pitch-inline input[type="range"],
#audio-tool #semitoneRange {
  width: 100% !important;
  max-width: none !important;
  min-width: 0 !important;
  display: block !important;
}

#audio-tool #semitoneValue {
  width: auto !important;
  min-width: 52px !important;
  white-space: nowrap !important;
  font-weight: 700 !important;
  color: #0f172a !important;
}

#audio-tool .pitch-bubble {
  position: absolute;
  bottom: 5px;
  transform: translateX(-50%);

  padding: 5px 8px;
  border-radius: 999px;

  font-size: 12px;
  font-weight: 600;

  color: #1e1b4b; /* darker text for contrast */

  background: rgba(108, 123, 255, 0.14);
  border: 1px solid rgba(79, 95, 224, 0.35);

  backdrop-filter: blur(8px);

  box-shadow: 0 4px 12px rgba(79, 95, 224, 0.15);

  pointer-events: none;
  white-space: nowrap;

  opacity: 0.6;
  transition: opacity 0.2s ease;
}

/* =========================
   HEADER FIX (MOBILE)
========================= */

@media (max-width: 768px) {
  header {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 10px 14px !important;
    min-height: 56px;
    gap: 10px;
  }

  header > * {
    flex-shrink: 0;
  }

  header .logo,
  header .brand {
    display: flex;
    align-items: center;
    gap: 0;
    font-size: 16px;
    margin-right: auto;
  }

  header .logo img,
  header .brand img {
    display: block;
    width: auto;
    height: 34px;
    max-width: min(68vw, 240px);
  }

  header .menu-toggle,
  header .hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    color: transparent;
    margin-left: auto;
  }

  header * {
    text-align: left;
  }

  .header-container {
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 0;
    min-width: 0;
  }
}

[data-lucide="menu"] {
  stroke: #000;
}

[data-role="fileName"] {
  flex: 1;
  min-width: 0;              /* required for flex shrink */

  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-role="fileRow"] {
  display: flex;
  align-items: center;
  gap: 8px;
}
/* waveform canvas container */
#audio-tool .at-wave-wrap {
  background: linear-gradient(to bottom, var(--brand-bg-soft), #eef2f8);
  border-radius: 14px;
  padding: 0px;

  box-shadow: inset 0 1px 2px rgba(0,0,0,0.04);
}

/* canvas */
#audio-tool .at-wave {
  border-radius: 10px;
}

/* selection overlay */
.at-selection {
  background: rgba(108, 123, 255, 0.14);
  border: 1px solid rgba(79, 95, 224, 0.38);

  box-shadow: 0 0 0 1px rgba(108, 123, 255, 0.12),
              0 0 12px rgba(79, 95, 224, 0.14);

  border-radius: 6px;
}

/* fade overlays */
.at-fade-overlay {
  position: absolute;
  top: 0;
  bottom: 0;
  pointer-events: none;
}

/* fade in (left) */
.at-fade-in {
  background: linear-gradient(
    to right,
    rgba(108, 123, 255, 0.24),
    transparent
  );
}

/* fade out (right) */
.at-fade-out {
  background: linear-gradient(
    to left,
    rgba(108, 123, 255, 0.24),
    transparent
  );
}

.at-playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;

  background: var(--color-primary);
  box-shadow: 0 0 6px rgba(79, 95, 224, 0.4);

  pointer-events: none;
}

/* =========================
   TRUST BLOCK (TRIM PAGE)
========================= */

.trust-block {
  margin-top: 18px;
}

.trust-items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

/* item */
.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;

  padding: 14px 10px;
  border-radius: 12px;

  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

@media (max-width: 640px) {

  .trust-item {
    flex-direction: column;        /* stack */
    align-items: center;           /* center everything */
    text-align: center;            /* center text */
  }

  .trust-item i {
    margin-bottom: var(--space-1); /* spacing between icon & text */
      width: 20px;
      height: 20px;
  }

}

/* icon */
.trust-item i {
  width: 18px;
  height: 18px;
  color: var(--color-accent-strong);
  flex-shrink: 0;
}

/* text */
.trust-item strong {
  display: block;
  font-size: 14px;
  color: var(--color-text);
}

.trust-item span {
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--muted);
}

/* mobile */
@media (max-width: 640px) {
  .trust-items {
    grid-template-columns: 1fr 1fr;
  }
}

/* Trim page */
body[data-page="trim"] .supported-languages {
  display: none;
}

/* Transcribe page */
body[data-page="transcribe"] .trust-block {
  display: none;
}

.supported-note {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.4;
}


.is-hidden {
  display: none !important;
}

/* Converter-only override (beats layout.css safely) */
body.audio-converter-page #audio-tool .at-status {
  /* reset what layout.css forces */
  min-height: auto;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13.5px;

  /* modern look */
  display: flex;
  align-items: center;
  gap: 10px;

  background: rgba(108, 123, 255, 0.08);
  border: 1px solid rgba(108, 123, 255, 0.16);
  color: var(--color-text);

  /* optional: ensure no dull inherited bg */
  box-shadow: none;
}

/* indicator dot */
body.audio-converter-page #audio-tool .at-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

#audio-tool .at-row + .at-row {
  margin-top: 10px;
}

body.audio-converter-page #audio-tool [data-role="postActions"] {
  text-align: center;
  margin-top: 30px;
}

#audio-tool .at-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 6px 12px;
  border-radius: 999px;

  background: rgba(108, 123, 255, 0.10);
  border: 1px solid rgba(79, 95, 224, 0.16);

  font-size: 13.5px;
  color: var(--color-accent-strong);

  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

#audio-tool .at-pill:hover {
  background: rgba(79, 95, 224, 0.12);
  border-color: rgba(79, 95, 224, 0.24);
}

body.audio-converter-page #audio-tool .at-tools {
  flex-wrap: wrap;
}

body.audio-converter-page #audio-tool .at-pill {
  flex: 1 1 calc(50% - 4px);
}

body.audio-converter-page #audio-tool [data-role="convertBtn"],
body.audio-converter-page #audio-tool [data-role="downloadBtn"] {
  width: 100%;
  display: block;
}

body.audio-converter-page #audio-tool .at-tools {
  display: flex;
  width: 100%;
  gap: 8px;
}

#audio-tool .pitch-inline {
  flex: 1 1 320px;
  min-width: 0;
  max-width: 620px;

  display: flex;
  align-items: center;
  gap: 12px;
}

#audio-tool #semitoneRange {
  flex: 1 1 auto;
  min-width: 0;
  width: auto;
}

#audio-tool #semitoneValue {
  flex: 0 0 auto;
  min-width: 48px;
  text-align: left;
  font-weight: 700;
  color: #0f172a;
}

/* =========================
   FIX: SOFT BUTTON (FILE CHANGE)
========================= */

#audio-tool .at-btn-soft {
  font-size: 14px;
  font-weight: 500;

  border: none !important;
  outline: none !important;

  transition: all 0.15s ease;

  background: var(--color-primary-soft) !important;
  color: var(--color-primary-strong) !important;
  border: 1px solid var(--color-border) !important;
}

#audio-tool .at-btn-soft:hover {
  background: var(--color-border-strong) !important;
}

/* =========================
   SHARED AUDIO TOOL SKIN
   Centralized visual system for all tool UIs
========================= */

#audio-tool {
  color: var(--color-text);
}

#audio-tool .at-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

#audio-tool .at-row + .at-row {
  margin-top: 12px;
}

#audio-tool .at-btn {
  appearance: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface-muted);
  color: var(--color-text);
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}

#audio-tool .at-btn:hover {
  background: var(--color-border-strong);
}

#audio-tool .at-btn:active {
  transform: translateY(1px);
}

#audio-tool .at-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#audio-tool .at-btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

#audio-tool .at-btn-primary:hover {
  background: var(--color-primary-strong);
  border-color: var(--color-primary-strong);
}

#audio-tool .at-file {
  max-width: 100%;
}

#audio-tool .at-wave-wrap {
  position: relative;
  width: 100%;
  touch-action: none;
}

#audio-tool canvas.at-wave {
  width: 100%;
  height: 180px;
  display: block;
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

#audio-tool .at-times {
  display: flex;
  justify-content: space-between;
  color: var(--color-text);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  margin-top: 6px;
}

#audio-tool .at-status {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
  color: var(--color-text-muted);
}

#audio-tool .at-status::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--color-border-strong);
  flex: 0 0 auto;
}

#audio-tool .at-status[data-status-state="processing"] {
  border-color: rgba(79, 95, 224, 0.2);
  background: var(--color-primary-soft);
  color: #1d4ed8;
}

#audio-tool .at-status[data-status-state="processing"]::before {
  background: transparent;
  border: 2px solid rgba(79, 95, 224, 0.24);
  border-top-color: #2563eb;
  animation: atSpin 0.8s linear infinite;
}

#audio-tool .at-status[data-status-state="success"] {
  border-color: rgba(22, 163, 74, 0.22);
  background: #ecfdf5;
  color: #166534;
}

#audio-tool .at-status[data-status-state="success"]::before {
  background: #16a34a;
  box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.12);
}

#audio-tool .at-status[data-status-state="error"] {
  border-color: rgba(185, 28, 28, 0.2);
  background: #fef2f2;
  color: #991b1b;
}

#audio-tool .at-status[data-status-state="error"]::before {
  background: #dc2626;
  box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.12);
}

#audio-tool .at-status[data-status-state="warning"] {
  border-color: rgba(217, 119, 6, 0.24);
  background: #fffbeb;
  color: #92400e;
}

#audio-tool .at-status[data-status-state="warning"]::before {
  background: #f59e0b;
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.14);
}

#audio-tool .at-help {
  color: var(--color-text-muted);
  font-size: 12px;
}

#audio-tool .at-checkbox {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  user-select: none;
}

@keyframes atSpin {
  to {
    transform: rotate(360deg);
  }
}

/* =========================
   NORMALIZE TOOL SKIN
========================= */

.normalize-app {
  width: 100%;
}

#normalize-tool .tool-card {
  width: 100%;
  align-items: stretch;
  gap: 10px;
  padding: 18px;
}

#normalize-tool .at-file-row,
#normalize-tool .at-row,
#normalize-tool [data-role="advancedPanel"],
#normalize-tool .normalize-grid {
  width: 100%;
}

.normalize-muted {
  color: var(--color-text-muted);
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.5;
}

.normalize-badge {
  font-size: 0.79rem;
  border: 1px solid rgba(108, 123, 255, 0.18);
  border-radius: 999px;
  padding: 0.38rem 0.7rem;
  display: inline-flex;
  align-items: center;
  background: linear-gradient(180deg, rgba(108, 123, 255, 0.05), rgba(108, 123, 255, 0.02));
  color: #475569;
}

.normalize-badge--ok {
  border-color: rgba(22, 163, 74, 0.22);
  color: #166534;
  background: #ecfdf5;
}

.normalize-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  padding: 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.92), rgba(241, 245, 249, 0.92));
}

.normalize-grid label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.normalize-grid select,
.normalize-grid input {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.8rem;
  font-size: 0.95rem;
  background: var(--color-surface-muted);
}

.normalize-grid--nested {
  grid-column: 1 / -1;
}

#normalize-tool .normalize-tip {
  grid-column: 1 / -1;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(108, 123, 255, 0.16);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(238, 242, 255, 0.95), rgba(248, 250, 252, 0.95));
  color: #475569;
  font-size: 0.82rem;
  line-height: 1.45;
}

#normalize-tool .normalize-primary-row .at-btn,
#normalize-tool .normalize-toggle-row .at-btn,
#normalize-tool [data-download],
#normalize-tool [data-process] {
  width: 100%;
  min-width: 0;
}

#normalize-tool .normalize-summary-row {
  margin-top: 2px;
}

#normalize-tool [data-role="advancedPanel"] {
  margin-top: 2px;
}

#normalize-tool .at-row + .at-row {
  margin-top: 8px;
}

#normalize-tool .normalize-section-label {
  display: grid;
  gap: 8px;
}

#normalize-tool .normalize-section-label select {
  width: 100%;
  min-height: 58px;
  border: 1px solid rgba(108, 123, 255, 0.2);
  border-radius: 16px;
  padding: 0.95rem 1rem;
  font-size: 1rem;
  background: linear-gradient(180deg, rgba(238, 242, 255, 0.95), rgba(248, 250, 252, 0.95));
  color: #334155;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

/* =========================
   TRANSCRIBE TOOL SKIN
========================= */

#audio-tool {
  display: block;
  width: 100%;
  overflow: visible;
}

#audio-tool > .at-root {
  display: grid;
  gap: 12px;
  width: 100%;
  padding: 8px;
  overflow: visible;
}

#audio-tool .at-root > [data-role="translationPanel"] {
  display: grid;
  gap: 12px;
  width: 100%;
}

#tool-shell #audio-player {
  display: none;
  width: 100%;
}

#tool-shell {
  overflow: visible;
}

#audio-tool .at-root.is-active {
  border-color: rgba(17, 17, 17, 0.28);
  box-shadow: 0 10px 30px rgba(17, 17, 17, 0.08);
}

#audio-tool .transcribe-controls {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  flex-wrap: wrap;
  width: 100%;
}

#audio-tool .tab-switch {
  display: flex;
  gap: 8px;
  width: auto;
  max-width: 100%;
  margin-top: 0;
}

#audio-tool .tab {
  appearance: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

#audio-tool .tab.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  font-weight: 600;
}

#audio-tool .translation-section {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  flex-wrap: wrap;
  width: 100%;
}

#audio-tool .translation-mode {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  width: 100%;
}

#audio-tool .translation-hint {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 13px;
  flex: 1 1 100%;
}

#audio-tool .enhance-block {
  align-items: flex-start;
  flex-direction: column;
  gap: 6px;
}

#audio-tool .enhance-label {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-weight: 600;
}

#audio-tool .enhance-desc {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 13px;
}

#audio-tool .progress-container {
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: 6px;
  overflow: hidden;
  margin-top: 0;
}

#audio-tool #progress-bar {
  width: 0%;
  height: 100%;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

#audio-tool #progress-message {
  width: 100%;
  min-height: 20px;
  margin-top: 2px;
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.4;
  transition: opacity 0.3s ease;
}

#audio-tool .at-file-name {
  font-weight: 600;
  color: var(--color-text);
}

#audio-tool .at-file {
  justify-content: space-between;
  align-items: center;
}

#audio-tool [data-role="fileActions"] {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  flex: 0 0 auto;
}

#audio-tool [data-role="processingInfo"] .at-help {
  width: 100%;
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.5;
}

#audio-tool .at-status[data-status-state="ready"] {
  border-color: rgba(22, 163, 74, 0.22);
  background: #ecfdf5;
  color: #166534;
}

#audio-tool .at-status[data-status-state="ready"]::before {
  background: #16a34a;
  box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.12);
}

#audio-tool .at-transcript-box {
  width: 100%;
  min-height: 180px;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface-muted);
  color: var(--color-text-muted);
  white-space: pre-line;
  overflow-wrap: anywhere;
}

#audio-tool .transcribe-controls select,
#audio-tool .translation-section select {
  flex: 1 1 240px;
  min-width: 220px;
  max-width: 100%;
}

#audio-tool select {
  appearance: none;
  border: 1px solid rgba(108, 123, 255, 0.26);
  background:
    linear-gradient(180deg, rgba(108, 123, 255, 0.14), rgba(255, 255, 255, 0.98));
  color: var(--color-text);
  box-shadow: 0 8px 18px rgba(79, 95, 224, 0.07);
}

#audio-tool select:hover {
  border-color: rgba(79, 95, 224, 0.42);
}

#audio-tool select:focus {
  border-color: rgba(79, 95, 224, 0.7);
  box-shadow: 0 0 0 4px rgba(108, 123, 255, 0.14);
  outline: none;
}

#audio-tool [data-role="transcribeRow"] {
  display: block;
}

#audio-tool #start-transcribe,
#audio-tool [data-role="toggleTranslateSetup"] {
  width: 100%;
  min-width: 0;
}

#audio-tool [data-role="translateEntryRow"] {
  display: flex;
  gap: 10px;
  align-items: stretch;
  flex-wrap: nowrap;
}

#audio-tool [data-role="translateEntryRow"] .at-btn {
  flex: 1 1 0;
  width: auto;
  min-width: 0;
}

#audio-tool [data-role="toggleEdit"],
#audio-tool [data-role="restartBtn"] {
  flex: 0 0 auto;
}

#audio-tool .at-file-info {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

#audio-tool .at-file-icon {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  color: var(--color-accent-strong);
}

#audio-tool .at-file-icon.is-hidden {
  display: none;
}

#audio-tool .at-language-field {
  display: grid;
  gap: 10px;
  width: 100%;
}

#audio-tool .at-language-field label {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-muted);
}

#audio-tool .at-language-field select {
  width: 100%;
}

#audio-tool [data-role="languagePicker"] {
  position: relative;
  width: 100%;
}

#audio-tool [data-role="languagePickerToggle"] {
  width: 100%;
  min-height: 58px;
  padding: 12px 16px;
  border: 1px solid rgba(108, 123, 255, 0.18);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(108, 123, 255, 0.10), rgba(255, 255, 255, 0.98));
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  box-shadow: 0 10px 24px rgba(108, 123, 255, 0.10);
}

#audio-tool [data-role="languagePickerToggle"]:hover,
#audio-tool [data-role="languagePickerToggle"]:focus-visible {
  border-color: rgba(79, 95, 224, 0.3);
  box-shadow: 0 14px 28px rgba(108, 123, 255, 0.14);
}

#audio-tool [data-role="languagePickerCurrent"] {
  min-width: 0;
  flex: 1 1 auto;
}

#audio-tool [data-role="languagePickerPlaceholder"] {
  color: var(--color-text-muted);
}

#audio-tool [data-role="languagePickerSelection"] {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

#audio-tool [data-role="languagePickerFlag"] {
  width: 20px;
  height: 15px;
  border-radius: 4px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  object-fit: cover;
  flex: 0 0 auto;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.08);
}

#audio-tool [data-role="languagePickerTextWrap"] {
  min-width: 0;
  display: grid;
  gap: 2px;
}

#audio-tool [data-role="languagePickerName"] {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

#audio-tool [data-role="languagePickerCode"] {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
}

#audio-tool [data-role="languagePickerChevron"] {
  flex: 0 0 auto;
  color: var(--color-primary-strong);
  font-size: 15px;
}

#audio-tool [data-role="languagePickerPanel"] {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  right: 0;
  z-index: 30;
  padding: 14px;
  border: 1px solid rgba(108, 123, 255, 0.14);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(248, 250, 255, 0.98), rgba(255, 255, 255, 0.99));
  box-shadow: 0 26px 48px rgba(15, 23, 42, 0.14);
  display: grid;
  gap: 12px;
}

#audio-tool [data-role="languagePickerSearch"] {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid rgba(108, 123, 255, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--color-text);
  font-size: 15px;
}

#audio-tool [data-role="languagePickerSearch"]::placeholder {
  color: var(--color-text-muted);
}

#audio-tool [data-role="languagePickerList"] {
  max-height: 280px;
  overflow-y: auto;
  display: grid;
  gap: 8px;
  padding-right: 4px;
}

#audio-tool [data-role="languagePickerOption"] {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid rgba(108, 123, 255, 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.94);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  text-align: left;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

#audio-tool [data-role="languagePickerOption"]:hover,
#audio-tool [data-role="languagePickerOption"]:focus-visible {
  border-color: rgba(79, 95, 224, 0.28);
  box-shadow: 0 10px 20px rgba(79, 95, 224, 0.1);
  transform: translateY(-1px);
}

#audio-tool [data-role="languagePickerOption"][aria-current="true"] {
  border-color: rgba(79, 95, 224, 0.34);
  background: linear-gradient(180deg, rgba(108, 123, 255, 0.1), rgba(255, 255, 255, 0.96));
}

#audio-tool [data-role="languagePickerOptionLabel"] {
  min-width: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

#audio-tool [data-role="languagePickerOptionCode"] {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
}

#audio-tool [data-role="languagePickerSelectedMark"] {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent-strong);
}

#audio-tool [data-role="languagePickerEmpty"] {
  padding: 16px 14px;
  border-radius: 14px;
  background: rgba(108, 123, 255, 0.06);
  color: var(--color-text-muted);
  font-size: 14px;
}

#audio-tool [data-role="translateSourcePicker"],
#audio-tool [data-role="translateTargetPicker"] {
  position: relative;
  width: 100%;
}

#audio-tool [data-role="translateSourcePickerToggle"],
#audio-tool [data-role="translateTargetPickerToggle"] {
  width: 100%;
  min-height: 58px;
  padding: 12px 16px;
  border: 1px solid rgba(108, 123, 255, 0.18);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(108, 123, 255, 0.10), rgba(255, 255, 255, 0.98));
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  box-shadow: 0 10px 24px rgba(108, 123, 255, 0.10);
}

#audio-tool [data-role="translateSourcePickerToggle"]:hover,
#audio-tool [data-role="translateSourcePickerToggle"]:focus-visible,
#audio-tool [data-role="translateTargetPickerToggle"]:hover,
#audio-tool [data-role="translateTargetPickerToggle"]:focus-visible {
  border-color: rgba(79, 95, 224, 0.3);
  box-shadow: 0 14px 28px rgba(108, 123, 255, 0.14);
}

#audio-tool [data-role="translateSourcePickerCurrent"],
#audio-tool [data-role="translateTargetPickerCurrent"] {
  min-width: 0;
  flex: 1 1 auto;
}

#audio-tool [data-role="translationLanguagePickerPlaceholder"] {
  color: var(--color-text-muted);
}

#audio-tool [data-role="translationLanguagePickerSelection"] {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

#audio-tool [data-role="translationLanguagePickerFlag"] {
  width: 20px;
  height: 15px;
  border-radius: 4px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  object-fit: cover;
  flex: 0 0 auto;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.08);
}

#audio-tool [data-role="translationLanguagePickerTextWrap"] {
  min-width: 0;
  display: grid;
  gap: 2px;
}

#audio-tool [data-role="translationLanguagePickerName"] {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

#audio-tool [data-role="translationLanguagePickerCode"] {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
}

#audio-tool [data-role="translateSourcePickerChevron"],
#audio-tool [data-role="translateTargetPickerChevron"] {
  flex: 0 0 auto;
  color: var(--color-primary-strong);
  font-size: 15px;
}

#audio-tool [data-role="translateSourcePickerPanel"],
#audio-tool [data-role="translateTargetPickerPanel"] {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  right: 0;
  z-index: 30;
  padding: 14px;
  border: 1px solid rgba(108, 123, 255, 0.14);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(248, 250, 255, 0.98), rgba(255, 255, 255, 0.99));
  box-shadow: 0 26px 48px rgba(15, 23, 42, 0.14);
  display: grid;
  gap: 12px;
}

#audio-tool [data-role="translateSourcePickerSearch"],
#audio-tool [data-role="translateTargetPickerSearch"] {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid rgba(108, 123, 255, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--color-text);
  font-size: 15px;
}

#audio-tool [data-role="translateSourcePickerSearch"]::placeholder,
#audio-tool [data-role="translateTargetPickerSearch"]::placeholder {
  color: var(--color-text-muted);
}

#audio-tool [data-role="translateSourcePickerList"],
#audio-tool [data-role="translateTargetPickerList"] {
  max-height: 280px;
  overflow-y: auto;
  display: grid;
  gap: 8px;
  padding-right: 4px;
}

#audio-tool [data-role="translationLanguagePickerOption"] {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid rgba(108, 123, 255, 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.94);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  text-align: left;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

#audio-tool [data-role="translationLanguagePickerOption"]:hover,
#audio-tool [data-role="translationLanguagePickerOption"]:focus-visible {
  border-color: rgba(79, 95, 224, 0.28);
  box-shadow: 0 10px 20px rgba(79, 95, 224, 0.1);
  transform: translateY(-1px);
}

#audio-tool [data-role="translationLanguagePickerOption"][aria-current="true"] {
  border-color: rgba(79, 95, 224, 0.34);
  background: linear-gradient(180deg, rgba(108, 123, 255, 0.1), rgba(255, 255, 255, 0.96));
}

#audio-tool [data-role="translationLanguagePickerOption"]:disabled {
  opacity: 0.62;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

#audio-tool [data-role="translationLanguagePickerOptionLabel"] {
  min-width: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

#audio-tool [data-role="translationLanguagePickerOptionCode"] {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
}

#audio-tool [data-role="translationLanguagePickerSelectedMark"],
#audio-tool [data-role="translationLanguagePickerDisabledMark"] {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent-strong);
}

#audio-tool [data-role="translationLanguagePickerEmpty"] {
  padding: 16px 14px;
  border-radius: 14px;
  background: rgba(108, 123, 255, 0.06);
  color: var(--color-text-muted);
  font-size: 14px;
}

#audio-tool [data-role="exportRow"] {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  align-items: stretch;
}

#audio-tool [data-role="exportRow"] .at-btn {
  width: 100%;
  min-width: 0;
}

#audio-tool [data-role="translationPanel"] .translation-section:last-child {
  display: block;
}

#audio-tool [data-role="translationPanel"] .translation-section:last-child .at-btn {
  display: block;
  width: 100%;
  min-width: 0;
}

#audio-tool .at-root .at-btn {
  box-shadow: 0 8px 20px rgba(17, 17, 17, 0.06);
}

#audio-tool .enhance-block {
  padding: 14px 16px;
  border: 1px solid rgba(108, 123, 255, 0.16);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(108, 123, 255, 0.06), rgba(255, 255, 255, 0.94));
}

#audio-tool .enhance-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
}

#audio-tool .enhance-label input {
  margin-top: 2px;
  flex: 0 0 auto;
}

#audio-tool .enhance-label-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
}

#audio-tool .enhance-label-copy strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
}

#audio-tool .enhance-label-copy small {
  font-size: 12px;
  line-height: 1.4;
  color: var(--color-accent-strong);
}

#audio-tool .enhance-desc {
  margin: 0;
  padding-left: 34px;
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.55;
}

#audio-tool .ts-segment {
  padding: 12px 0;
  line-height: 2;
  border-bottom: 1px solid #eee;
  direction: rtl;
  text-align: right;
}

#audio-tool .ts-segment:hover {
  background: var(--color-surface-muted);
}

#audio-tool .ts-segment:last-child {
  border-bottom: 0;
}

#audio-tool .ts-paragraph {
  direction: rtl;
  text-align: right;
  line-height: 2;
  padding: 12px 0;
  white-space: normal;
}

#audio-tool .ts-sentence {
  display: inline;
}

#audio-tool .ts-segment-text {
  display: inline;
  white-space: pre-wrap;
}

#audio-tool .ts-segment-text[contenteditable="true"] {
  outline: none;
  border-radius: 6px;
  padding: 1px 2px;
  background: rgba(108, 123, 255, 0.10);
}

#audio-tool .ts-segment-text[contenteditable="true"]:focus {
  background: rgba(79, 95, 224, 0.14);
  box-shadow: 0 0 0 2px rgba(79, 95, 224, 0.16);
}

#audio-tool .ts-time-inline {
  font-size: 12px;
  color: #999;
  margin: 0 4px;
  direction: ltr;
  unicode-bidi: isolate;
  white-space: nowrap;
}

@media (max-width: 640px) {
  #audio-tool .transcribe-controls,
  #audio-tool .translation-section {
    flex-direction: column;
    align-items: stretch;
  }

  #audio-tool [data-role="translateEntryRow"] {
    flex-direction: row;
    align-items: stretch;
  }

  #audio-tool [data-role="translateEntryRow"] .at-btn {
    width: auto;
    flex: 1 1 0;
  }

  #audio-tool .transcribe-controls select,
  #audio-tool .translation-section select,
  #audio-tool .transcribe-controls .at-btn,
  #audio-tool .translation-section .at-btn,
  #audio-tool .tab-switch {
    width: 100%;
    min-width: 0;
  }

  #audio-tool .tab {
    flex: 1 1 0;
    text-align: center;
  }

  #audio-tool .at-file {
    align-items: stretch;
  }

  #audio-tool [data-role="fileActions"] {
    width: 100%;
    justify-content: stretch;
  }

  #audio-tool [data-role="fileActions"] .at-btn {
    flex: 1 1 0;
  }

  #audio-tool [data-role="exportRow"],
  #audio-tool [data-role="translationPanel"] .translation-section:last-child {
    grid-template-columns: 1fr;
  }

  #audio-tool [data-role="languagePickerToggle"] {
    min-height: 54px;
    padding: 12px 14px;
  }

  #audio-tool [data-role="translateSourcePickerToggle"],
  #audio-tool [data-role="translateTargetPickerToggle"] {
    min-height: 54px;
    padding: 12px 14px;
  }

  #audio-tool [data-role="languagePickerPanel"] {
    padding: 12px;
    border-radius: 18px;
  }

  #audio-tool [data-role="translateSourcePickerPanel"],
  #audio-tool [data-role="translateTargetPickerPanel"] {
    padding: 12px;
    border-radius: 18px;
  }

  #audio-tool [data-role="languagePickerList"] {
    max-height: 250px;
  }

  #audio-tool [data-role="translateSourcePickerList"],
  #audio-tool [data-role="translateTargetPickerList"] {
    max-height: 250px;
  }

  #audio-tool [data-role="languagePickerOption"] {
    grid-template-columns: auto minmax(0, 1fr) auto;
    padding: 10px 11px;
  }

  #audio-tool [data-role="translationLanguagePickerOption"] {
    grid-template-columns: auto minmax(0, 1fr) auto;
    padding: 10px 11px;
  }

  #audio-tool [data-role="languagePickerSelectedMark"] {
    display: none;
  }

  #audio-tool [data-role="translationLanguagePickerSelectedMark"],
  #audio-tool [data-role="translationLanguagePickerDisabledMark"] {
    display: none;
  }
}

@media (max-width: 700px) {
  .normalize-waveform-row {
    grid-template-columns: 1fr;
  }

  .normalize-meter--inline {
    width: 100%;
    flex: 0 0 auto;
    grid-template-columns: auto 1fr;
    margin-left: 0;
  }

  .normalize-meter-track {
    width: 100%;
    height: 40px;
  }

  .normalize-meter-scale {
    height: 40px;
    flex-direction: row;
    align-items: center;
  }

  .normalize-time {
    margin-left: 0;
    width: 100%;
  }
}

/* =========================
   MOBILE TOOL SYSTEM OVERRIDE
========================= */
@media (max-width: 640px) {
  #audio-tool .tool-card {
    padding: 14px;
    gap: 10px;
  }

  #audio-tool .at-row {
    gap: 8px;
  }

  #audio-tool .at-row + .at-row {
    margin-top: 8px;
  }

  #audio-tool .at-wave-wrap {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  #audio-tool canvas.at-wave {
    height: 120px !important;
  }

  #audio-tool .at-times {
    gap: 8px;
    margin-top: 4px;
    font-size: 12px;
  }

  #audio-tool .at-times span {
    min-width: 0;
  }

  #audio-tool .at-btn {
    flex: 1 1 calc(50% - 4px);
    min-height: 40px;
    padding: 8px 10px;
    font-size: 14px;
  }

  #audio-tool .at-btn-primary {
    flex: 1 1 calc(50% - 4px);
  }

  #audio-tool [data-role="exportMp3"],
  #audio-tool [data-role="exportWav"] {
    flex: 1 1 100%;
    min-height: 44px;
    font-weight: 600;
  }

  #audio-tool .at-checkbox,
  #audio-tool label {
    flex: 1 1 calc(50% - 4px);
  }

  #audio-tool .at-status {
    min-height: 48px;
    padding: 10px 12px;
    gap: 10px;
    font-size: 13px;
    line-height: 1.35;
  }

  #audio-tool .at-status::before {
    width: 8px;
    height: 8px;
  }

  #normalize-tool .normalize-grid {
    grid-template-columns: 1fr;
    padding: 0.85rem;
  }

  #normalize-tool .normalize-tip {
    padding: 0.72rem 0.82rem;
    font-size: 0.8rem;
  }

  #normalize-tool .normalize-badge {
    flex: 1 1 calc(50% - 4px);
    justify-content: center;
  }

  #normalize-tool [data-role="advancedPanel"] .normalize-grid--nested {
    grid-template-columns: 1fr;
  }

  #normalize-tool .normalize-section-label select {
    min-height: 52px;
    padding: 0.85rem 0.95rem;
    font-size: 0.95rem;
  }

  #audio-tool .at-advanced {
    margin-top: 8px;
    padding-top: 10px;
  }

  #audio-tool .at-file-row,
  #audio-tool .at-file,
  #audio-tool [data-role="fileRow"] {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    width: 100%;
  }

  #audio-tool .at-file-info,
  #audio-tool [data-role="fileRow"] .at-file-info {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    align-items: flex-start;
    overflow: visible;
  }

  #audio-tool [data-role="fileName"],
  #audio-tool .at-file-name,
  #audio-tool [data-role="fileRow"] [data-role="fileName"],
  #audio-tool [data-role="fileRow"] .at-file-name {
    display: block;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    white-space: normal;
    overflow: visible;
    text-overflow: initial;
    overflow-wrap: anywhere;
    word-break: break-word;
    line-height: 1.35;
  }

  #audio-tool .at-file-row .at-btn-soft,
  #audio-tool .at-file .at-btn-soft,
  #audio-tool [data-role="fileRow"] .at-btn-soft,
  #audio-tool [data-role="fileRow"] [data-role="changeFile"] {
    width: 100%;
    min-width: 0;
  }

  #audio-tool .at-controls-vertical {
    gap: 12px !important;
    margin-top: 12px;
  }

  #audio-tool .at-controls-vertical .at-btn {
    width: 100%;
    min-width: 0;
  }

  #audio-tool .pitch-actions {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
    margin-bottom: 10px !important;
  }

  #audio-tool .pitch-actions .at-btn {
    width: 100% !important;
    min-width: 0 !important;
    max-width: none !important;
    flex: none !important;
  }

  #audio-tool .pitch-inline {
    position: relative !important;
    flex: 1 1 100%;
    width: 100%;
    max-width: 100%;
    gap: 10px !important;
    padding-top: 8px;
    padding-bottom: 28px;
  }

  #audio-tool .pitch-inline input[type="range"],
  #audio-tool #semitoneRange {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
  }

  #audio-tool .pitch-bubble {
    bottom: 4px;
    padding: 4px 7px;
    font-size: 11px;
  }

  #audio-tool .enhance-block {
    display: grid !important;
    grid-template-columns: 1fr !important;
    align-items: stretch !important;
    justify-items: stretch !important;
    width: 100% !important;
    padding: 12px 12px 10px;
    gap: 8px;
    border-radius: 16px;
    box-sizing: border-box;
  }

  #audio-tool .enhance-label {
    display: grid !important;
    grid-template-columns: auto 1fr !important;
    align-items: start !important;
    width: 100% !important;
    gap: 10px;
  }

  #audio-tool .enhance-label input {
    margin-top: 1px;
  }

  #audio-tool .enhance-label-copy {
    display: grid !important;
    gap: 2px !important;
    width: 100% !important;
  }

  #audio-tool .enhance-label-copy strong {
    font-size: 14px;
    line-height: 1.2;
  }

  #audio-tool .enhance-label-copy small {
    font-size: 11px;
    line-height: 1.35;
  }

  #audio-tool .enhance-desc {
    padding-left: 0;
    width: 100% !important;
    font-size: 12px;
    line-height: 1.45;
    overflow-wrap: anywhere;
    grid-column: 1 / -1;
  }
}