html,
body {
  overflow-x: hidden;
  overflow-y: auto;
}

body::-webkit-scrollbar {
  display: none;
}

  :root {
    --saffron: #FF6B00;
    --saffron-light: #FFF0E5;
    --saffron-mid: #FFB380;
    --navy: #0D2B5E;
    --navy-mid: #1A4499;
    --navy-light: #E8EFFF;
    --cream: #FDFAF5;
    --green: #138808;
    --green-light: #E8F5E9;
    --text: #1C1C1C;
    --text-2: #4A4A4A;
    --text-3: #888;
    --border: #E0D8CC;
    --white: #FFFFFF;
    --shadow: 0 2px 16px rgba(13,43,94,0.08);
    --radius: 12px;
    --radius-sm: 8px;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  body {
    font-family: 'DM Sans', sans-serif;
    background: var(--cream);
    color: var(--text);
    min-height: 100vh;
  }

  /* ── TOP NAV ── */
  .topnav {
    background: var(--navy);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .topnav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .topnav-emblem {
    width: 36px;
    height: 36px;
    background: var(--saffron);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
  }
  .topnav-title {
    font-family: 'DM Serif Display', serif;
    font-size: 20px;
    color: white;
    letter-spacing: 0.3px;
  }
  .topnav-sub {
    font-size: 11px;
    color: var(--saffron-mid);
    letter-spacing: 1px;
    text-transform: uppercase;
  }
  .api-key-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 24px;
    padding: 6px 14px;
  }
  .api-key-pill input {
    background: none;
    border: none;
    color: white;
    font-size: 13px;
    width: 220px;
    outline: none;
    font-family: 'DM Sans', sans-serif;
  }
  .api-key-pill input::placeholder { color: rgba(255,255,255,0.45); }
  .api-key-pill .dot-status {
    width: 8px; height: 8px; border-radius: 50%;
    background: #ccc;
    flex-shrink: 0;
    transition: background 0.3s;
  }
  .api-key-pill .dot-status.active { background: #4CAF50; }

  /* ── HERO ── */
  .hero {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 60%, var(--saffron) 100%);
    padding: 3rem 2rem 3.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  }
  .hero h1 {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(28px, 5vw, 46px);
    color: white;
    margin-bottom: 8px;
    position: relative;
  }
  .hero-marathi {
    font-family: 'Tiro Devanagari Marathi', serif;
    font-size: clamp(18px, 3vw, 26px);
    color: var(--saffron-mid);
    margin-bottom: 14px;
    position: relative;
  }
  .hero p {
    font-size: 15px;
    color: rgba(255,255,255,0.7);
    max-width: 520px;
    margin: 0 auto;
    position: relative;
    line-height: 1.6;
  }
  .lang-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 18px;
    position: relative;
  }
  .lang-badge {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    color: white;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
  }

  /* ── MAIN CONTENT ── */
  .container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
  }

  /* ── API KEY NOTICE ── */
  .api-notice {
    background: var(--navy-light);
    border: 1px solid var(--navy-mid);
    border-left: 4px solid var(--navy);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    margin-bottom: 1.5rem;
    font-size: 13px;
    color: var(--navy);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    animation: fadeIn 0.4s ease;
  }
  .api-notice a { color: var(--navy); font-weight: 600; }

  /* ── STEP CARD ── */
  .step-card {
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    overflow: hidden;
    animation: fadeUp 0.4s ease both;
  }
  .step-header {
    background: var(--navy);
    color: white;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .step-num {
    background: var(--saffron);
    color: white;
    width: 26px; height: 26px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 600;
    flex-shrink: 0;
  }
  .step-header h2 { font-size: 15px; font-weight: 500; }
  .step-body { padding: 20px; }

  /* ── LANGUAGE SELECTOR ── */
  .lang-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
  }
  .lang-row label { font-size: 13px; color: var(--text-2); font-weight: 500; }
  .lang-select {
    flex: 1;
    min-width: 140px;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: 'DM Sans', sans-serif;
    color: var(--text);
    background: white;
    cursor: pointer;
    transition: border-color 0.2s;
  }
  .lang-select:focus { outline: none; border-color: var(--navy); }
  .swap-btn {
    background: var(--saffron-light);
    border: 1px solid var(--saffron-mid);
    color: var(--saffron);
    width: 40px; height: 40px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s;
    flex-shrink: 0;
  }
  .swap-btn:hover { background: #FFD9BE; }

  /* ── UPLOAD ZONE ── */
  .upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    background: var(--cream);
    position: relative;
  }
  .upload-zone:hover, .upload-zone.drag-over {
    border-color: var(--navy-mid);
    background: var(--navy-light);
  }
  .upload-zone input[type=file] { display: none; }
  .upload-icon-wrap {
    width: 64px; height: 64px;
    background: var(--saffron-light);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
    margin: 0 auto 14px;
  }
  .upload-zone h3 { font-size: 17px; font-weight: 500; color: var(--text); margin-bottom: 6px; }
  .upload-zone p { font-size: 13px; color: var(--text-3); margin-bottom: 16px; }
  .upload-btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

  /* ── CAMERA ── */
  #cameraSection { margin-top: 16px; display: none; }
  #camVideo {
    width: 100%; border-radius: var(--radius-sm);
    background: #000;
    max-height: 400px;
  }
  .cam-controls { display: flex; gap: 10px; justify-content: center; margin-top: 10px; }

  /* ── BUTTONS ── */
  .btn {
    padding: 9px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: 'DM Sans', sans-serif;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--border);
    background: white;
    color: var(--text);
    transition: all 0.15s;
    display: inline-flex; align-items: center; gap: 6px;
  }
  .btn:hover { background: #f0f0f0; }
  .btn:active { transform: scale(0.97); }
  .btn:disabled { opacity: 0.45; cursor: not-allowed; }
  .btn-navy {
    background: var(--navy);
    color: white;
    border-color: var(--navy);
  }
  .btn-navy:hover { background: var(--navy-mid); }
  .btn-saffron {
    background: var(--saffron);
    color: white;
    border-color: var(--saffron);
  }
  .btn-saffron:hover { background: #e05f00; }
  .btn-green {
    background: var(--green);
    color: white;
    border-color: var(--green);
  }
  .btn-green:hover { background: #0d6906; }
  .btn-sm { padding: 6px 14px; font-size: 13px; }

  /* ── PROCESSING RESULT AREA ── */
  #resultSection { display: none; animation: fadeUp 0.4s ease; }

  .result-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 1.5rem;
  }
  @media(max-width: 640px) { .result-grid { grid-template-columns: 1fr; } }

  .result-pane {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: white;
  }
  .pane-head {
    background: var(--cream);
    border-bottom: 1px solid var(--border);
    padding: 10px 16px;
    display: flex; align-items: center; justify-content: space-between;
  }
  .pane-head span { font-size: 13px; font-weight: 600; color: var(--text-2); }
  .pane-badge {
    font-size: 11px; padding: 2px 10px;
    border-radius: 20px;
    font-weight: 600;
    letter-spacing: 0.3px;
  }
  .pane-badge.src { background: var(--saffron-light); color: var(--saffron); }
  .pane-badge.tgt { background: var(--navy-light); color: var(--navy); }
  .pane-body {
    padding: 14px 16px;
    font-size: 13px;
    line-height: 1.8;
    color: var(--text);
    min-height: 180px;
    max-height: 380px;
    overflow-y: auto;
    white-space: pre-wrap;
    font-family: 'DM Sans', sans-serif;
  }
  .pane-img {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    display: block;
    border-bottom: 1px solid var(--border);
  }
  .pane-placeholder { color: var(--text-3); font-style: italic; }

  /* ── STATUS BAR ── */
  .status-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    margin-bottom: 1rem;
    font-size: 13px;
    color: var(--text-2);
  }
  .status-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    background: #ccc;
    transition: background 0.3s;
  }
  .status-dot.idle { background: #ccc; }
  .status-dot.processing { background: var(--saffron); animation: pulse 1s infinite; }
  .status-dot.done { background: var(--green); }
  .status-dot.error { background: #E53935; }
  @keyframes pulse { 0%,100%{opacity:1}50%{opacity:0.3} }

  /* ── ERROR ── */
  .error-box {
    background: #FFF3F3;
    border: 1px solid #FFCDD2;
    border-left: 4px solid #E53935;
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 13px;
    color: #B71C1C;
    margin-bottom: 1rem;
    display: none;
  }

  /* ── FORM FILL ── */
  .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  @media(max-width: 580px) { .form-grid { grid-template-columns: 1fr; } }
  .form-group { display: flex; flex-direction: column; gap: 5px; }
  .form-group.full { grid-column: 1 / -1; }
  .form-group label {
    font-size: 12px; font-weight: 600;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  .form-group input,
  .form-group textarea,
  .form-group select {
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: 'DM Sans', sans-serif;
    color: var(--text);
    background: white;
    transition: border-color 0.2s;
  }
  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus {
    outline: none;
    border-color: var(--navy);
    box-shadow: 0 0 0 3px rgba(13,43,94,0.08);
  }
  .form-group textarea { resize: vertical; min-height: 72px; }

  /* ── ACTION ROW ── */
  .action-row {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    flex-wrap: wrap;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    margin-top: 16px;
  }

  /* ── PROGRESS STEPS ── */
  .progress-steps {
    display: flex;
    gap: 6px;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
  }
  .progress-step {
    display: flex; align-items: center; gap: 6px;
    font-size: 12px; color: var(--text-3);
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: white;
    transition: all 0.2s;
  }
  .progress-step.active { background: var(--navy-light); border-color: var(--navy); color: var(--navy); font-weight: 600; }
  .progress-step.done { background: var(--green-light); border-color: var(--green); color: var(--green); }

  /* ── LOADER OVERLAY ── */
  .pane-loader {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 2rem; gap: 10px;
  }
  .spinner {
    width: 28px; height: 28px;
    border: 2px solid var(--border);
    border-top-color: var(--navy);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
  }
  @keyframes spin { to { transform: rotate(360deg); } }
  .pane-loader p { font-size: 13px; color: var(--text-3); }

  /* ── HOW TO GET API KEY ── */
  .api-guide {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 1.5rem;
  }
  .api-guide h3 { font-size: 15px; font-weight: 600; margin-bottom: 12px; color: var(--navy); }
  .api-guide ol { padding-left: 20px; font-size: 13px; line-height: 2; color: var(--text-2); }
  .api-guide a { color: var(--navy); font-weight: 600; }
  .api-guide .tip {
    background: var(--saffron-light);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 12px;
    color: #7A3300;
    margin-top: 12px;
  }

  @keyframes fadeIn { from{opacity:0}to{opacity:1} }
  @keyframes fadeUp { from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)} }

  /* ── TABS ── */
  .tabs { display: flex; gap: 4px; margin-bottom: 16px; }
  .tab {
    padding: 7px 18px; border-radius: var(--radius-sm);
    font-size: 13px; font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    color: var(--text-3);
    background: none;
    font-family: 'DM Sans', sans-serif;
    transition: all 0.15s;
  }
  .tab.active { background: white; border-color: var(--border); color: var(--text); box-shadow: var(--shadow); }