@layer base, layout, components;

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

  :root {
    --color-bg: oklch(97% 0.008 255);
    --color-surface: oklch(100% 0 0);
    --color-surface-alt: oklch(98.5% 0.005 255);
    --color-border: oklch(90% 0.01 255);
    --color-text: oklch(22% 0.025 255);
    --color-text-muted: oklch(52% 0.015 255);

    --color-primary: oklch(50% 0.22 258);
    --color-primary-hover: oklch(45% 0.24 258);
    --color-primary-glow: oklch(50% 0.22 258 / 0.28);

    --shadow-sm: 0 1px 3px oklch(0% 0 0 / 0.07), 0 1px 2px oklch(0% 0 0 / 0.04);
    --shadow-md: 0 4px 16px oklch(0% 0 0 / 0.08), 0 2px 4px oklch(0% 0 0 / 0.05);
    --shadow-lg: 0 8px 32px oklch(0% 0 0 / 0.12), 0 4px 8px oklch(0% 0 0 / 0.07);

    --radius-sm: 7px;
    --radius-md: 12px;
    --radius-lg: 18px;
  }

  html {
    font-size: 16px;
    color-scheme: light;
    -webkit-text-size-adjust: 100%;
  }

  body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
  }

  input, select, button, textarea { font-family: inherit; font-size: inherit; }
  button { cursor: pointer; border: none; background: none; }
  input::placeholder { color: var(--color-text-muted); opacity: 0.7; }
}

@layer layout {
  .noise {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 300px 300px;
  }

  header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: oklch(100% 0 0 / 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
  }

  .header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.625rem 1.5rem;
    display: flex;
    align-items: center;
  }

  main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.25rem 1.5rem 1.5rem;
    position: relative;
    z-index: 1;
  }

  .converter-grid {
    display: grid;
    grid-template-columns: 480px 1fr;
    gap: 1.5rem;
    align-items: start;
  }

  @media (max-width: 960px) {
    .converter-grid { grid-template-columns: 1fr; }
  }

  @media (max-width: 520px) {
    main { padding: 1.25rem 1rem 3rem; }
    .header-inner { padding: 0.75rem 1rem; }
  }
}

@layer components {
  /* ── Brand ─────────────────────────────────────────────── */
  .brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  .brand-icon { font-size: 1.75rem; line-height: 1; }

  .brand-name {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
  }

  .brand-tagline {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    line-height: 1;
  }

  /* ── Card ───────────────────────────────────────────────── */
  .card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-md);
  }

  .card-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
  }

  .card-title svg { color: var(--color-primary); flex-shrink: 0; }

  /* ── Form ───────────────────────────────────────────────── */
  .form-group { margin-bottom: 0.5rem; }

  .form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 0.3rem;
  }

  input[type="text"],
  input[type="number"],
  input[type="date"],
  select {
    width: 100%;
    padding: 0.45rem 0.875rem;
    background: var(--color-surface-alt);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 0.9375rem;
    transition: border-color 0.15s, box-shadow 0.15s;
    appearance: none;
    -webkit-appearance: none;
    outline: none;
  }

  input[type="text"]:focus,
  input[type="number"]:focus,
  input[type="date"]:focus,
  select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
  }

  .form-error {
    font-size: 0.8125rem;
    color: oklch(55% 0.23 27);
    min-height: 1.2em;
    margin-bottom: 0.5rem;
  }

  /* ── Buttons ────────────────────────────────────────────── */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.6rem 1.1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: background-color 0.15s, box-shadow 0.15s, transform 0.1s;
    white-space: nowrap;
    line-height: 1;
  }

  .btn:active { transform: scale(0.965); }

  .btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 2px 10px var(--color-primary-glow);
  }

  .btn-primary:hover {
    background: var(--color-primary-hover);
    box-shadow: 0 4px 18px var(--color-primary-glow);
  }

  .btn-primary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
  }

  .btn-block { width: 100%; margin-top: 0; padding-top: 1rem; padding-bottom: 1rem; font-size: 1rem; }


  /* ── Converter card ─────────────────────────────────────── */
  .converter-card { position: relative; overflow: hidden; }

  .converter-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
    line-height: 1.5;
  }

  /* ── Upload area ────────────────────────────────────────── */
  .upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.75rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s, background-color 0.15s;
    outline: none;
  }

  .upload-area:hover,
  .upload-area:focus-visible {
    border-color: var(--color-primary);
    background: oklch(96% 0.03 258);
  }

  .upload-area.drag-over {
    border-color: var(--color-primary);
    background: oklch(94% 0.05 258);
    transform: scale(1.01);
  }

  .upload-area input[type="file"] { display: none; }

  .upload-emoji { font-size: 1.75rem; display: block; margin-bottom: 0.375rem; }

  .upload-main {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.25rem;
    line-height: 1.4;
  }

  .upload-hint { font-size: 0.8rem; color: var(--color-text-muted); }

  /* ── Upload slot: fixed height before/after file select ── */
  .upload-slot {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 144px;
    overflow: hidden;
    margin-bottom: 0.25rem;
  }

  .upload-area { margin-bottom: 0; }

  /* ── File chip ──────────────────────────────────────────── */
  .file-chip {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: oklch(95% 0.05 258);
    border: 1px solid oklch(85% 0.08 258);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 500;
  }

  .file-chip span {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .file-chip button {
    flex-shrink: 0;
    padding: 2px;
    color: var(--color-primary);
    border-radius: 3px;
    opacity: 0.6;
    transition: opacity 0.15s;
  }

  .file-chip button:hover { opacity: 1; }

  /* ── Form section ───────────────────────────────────────── */
  .form-section {
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.875rem 0.125rem;
    margin-bottom: 0.5rem;
    background: var(--color-surface-alt);
  }

  .form-section-header {
    font-size: 0.775rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.375rem;
  }

  .form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .form-section .form-group { margin-bottom: 0.375rem; }

  /* ── Route group ────────────────────────────────────────── */
  .route-group {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: end;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
  }

  .route-group .form-group { margin-bottom: 0; }

  .route-arrow {
    padding-bottom: 0.55rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
  }

  /* ── Convert result ─────────────────────────────────────── */
  .convert-result {
    margin-top: 1rem;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
  }

  .convert-result.success {
    background: oklch(95% 0.06 145);
    border: 1px solid oklch(80% 0.1 145);
    color: oklch(35% 0.12 145);
  }

  .convert-result.error {
    background: oklch(96% 0.05 27);
    border: 1px solid oklch(80% 0.1 27);
    color: oklch(40% 0.14 27);
  }

  /* ── Loading overlay ────────────────────────────────────── */
  .convert-loading {
    position: absolute;
    inset: 0;
    background: oklch(100% 0 0 / 0.85);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    backdrop-filter: blur(4px);
    z-index: 10;
  }

  .convert-loading p {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-muted);
  }

  .spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
  }

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

  /* ── Info card ──────────────────────────────────────────── */
  .info-subheading {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
    margin-top: 0.75rem;
  }

  .info-card .info-subheading:first-of-type { margin-top: 0; }

  .info-list {
    padding-left: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.875rem;
    line-height: 1.5;
  }

  .feature-list { list-style: none; padding-left: 0; }

  .feature-list li::before {
    content: "✓";
    color: var(--color-primary);
    font-weight: 700;
    margin-right: 0.5rem;
  }

  .feature-note {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.1rem;
    padding-left: 1.35rem;
  }

  /* ── Toast ──────────────────────────────────────────────── */
  .toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 500;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.2s ease;
    background: var(--color-text);
    color: white;
    max-width: 320px;
  }

  .toast.hidden { display: none; }

  @keyframes slideUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  /* ── Fare DB section ───────────────────────────────────── */
  .fare-db-section {
    background: var(--color-surface-alt);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.625rem 0.875rem;
    margin-bottom: 0.75rem;
  }

  .fare-db-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.375rem;
    cursor: pointer;
    user-select: none;
  }

  .fare-db-header:hover .fare-db-title {
    color: var(--color-primary);
  }

  .fare-db-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text);
    transition: color 0.15s;
  }

  .fare-ref-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-text-muted);
    text-decoration: none;
    padding: 2px 4px;
    border-radius: 3px;
    transition: color 0.15s, background 0.15s;
  }
  .fare-ref-link:hover {
    color: var(--color-primary, #3b82f6);
    background: rgba(59,130,246,0.08);
  }

  .fare-db-chevron {
    margin-left: auto;
    color: var(--color-text-muted);
    transition: transform 0.2s;
  }

  .fare-db-header[aria-expanded="true"] .fare-db-chevron {
    transform: rotate(180deg);
  }


  .convert-count-badge {
    margin-left: auto;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.18rem 0.55rem;
    border-radius: 999px;
    background: oklch(50% 0.22 258 / 0.1);
    color: var(--color-primary);
    white-space: nowrap;
  }

  .fare-count-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    background: oklch(50% 0.22 258 / 0.12);
    color: var(--color-primary);
  }

  .fare-db-desc {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 0.375rem;
    line-height: 1.4;
  }

  .fare-upload-row {
    display: flex;
    align-items: center;
    gap: 0.625rem;
  }

  .fare-password-input {
    width: 7rem;
    padding: 0.38rem 0.625rem;
    font-size: 0.8125rem;
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
  }

  .fare-password-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
  }

  .btn-secondary {
    background: var(--color-surface);
    color: var(--color-primary);
    border: 1.5px solid oklch(80% 0.1 258);
  }

  .btn-secondary:hover {
    background: oklch(96% 0.03 258);
    border-color: var(--color-primary);
  }

  .btn-sm {
    font-size: 0.8125rem;
    padding: 0.4rem 0.75rem;
  }

  .fare-upload-status {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    flex: 1;
  }

  .fare-upload-status.ok  { color: oklch(40% 0.14 145); }
  .fare-upload-status.err { color: oklch(50% 0.2 27); }

  .use-guide-img {
    display: block;
    width: 100%;
    max-width: 480px;
    height: auto;
    margin-top: 0.625rem;
    margin-bottom: 1.2rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
  }

  /* ── Fare view button ───────────────────────────────────── */
  .fare-view-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    background: oklch(50% 0.22 258 / 0.1);
    color: var(--color-primary);
    border: 1px solid oklch(50% 0.22 258 / 0.25);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    white-space: nowrap;
  }

  .fare-view-btn:hover {
    background: oklch(50% 0.22 258 / 0.18);
    border-color: var(--color-primary);
  }

  /* ── Fare modal ─────────────────────────────────────────── */
  .fare-modal {
    position: fixed;
    inset: 0;
    z-index: 400;
    background: oklch(0% 0 0 / 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    backdrop-filter: blur(3px);
  }

  .fare-modal-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 640px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .fare-modal-header {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.875rem 1rem 0.75rem;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
  }

  .fare-modal-title {
    font-size: 0.9375rem;
    font-weight: 600;
    flex: 1;
  }

  .fare-modal-total-badge {
    font-size: 0.75rem;
    color: var(--color-text-muted);
  }

  .fare-upload-date {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    white-space: nowrap;
  }

  .fare-modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: background 0.15s, color 0.15s;
  }

  .fare-modal-close:hover {
    background: var(--color-surface-alt);
    color: var(--color-text);
  }

  .fare-modal-search {
    display: flex;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
  }

  .fare-search-select {
    width: 100%;
    padding: 0.45rem 2rem 0.45rem 0.875rem;
    background: var(--color-surface-alt);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 0.875rem;
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238899aa' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.625rem center;
    transition: border-color 0.15s, box-shadow 0.15s;
  }

  .fare-search-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
  }

  .fare-table-wrap {
    flex: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .fare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
  }

  .fare-table thead {
    position: sticky;
    top: 0;
    background: var(--color-surface-alt);
    z-index: 1;
  }

  .fare-table th {
    padding: 0.5rem 0.875rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
  }

  .fare-table td {
    padding: 0.4rem 0.875rem;
    border-bottom: 1px solid oklch(93% 0.008 255);
    color: var(--color-text);
  }

  .fare-table tbody tr:hover { background: var(--color-surface-alt); }

  .fare-table .fare-amount {
    text-align: right;
    font-variant-numeric: tabular-nums;
  }

  .fare-table-empty {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--color-text-muted);
    font-size: 0.875rem;
  }

  .fare-more-row {
    display: flex;
    justify-content: center;
    padding: 0.75rem;
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
  }

  /* ── Utility ────────────────────────────────────────────── */
  .hidden { display: none !important; }
}

/* ── 탭 네비게이션 ────────────────────────────────────────────────────────── */
.tab-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.tab-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
}

.tab-btn {
  padding: 0.8rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: inherit;
}

.tab-btn:hover { color: var(--color-text); }

.tab-btn.tab-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}

/* ── 사업관리카드 탭 패널 ─────────────────────────────────────────────────── */
.saupcard-tab {
  --primary:      #008080;
  --primary-dk:   #006666;
  --primary-lt:   #e0f2f1;
  --surface:      #ffffff;
  --border:       #dde3ea;
  --text-muted:   #6b7a8d;
  --radius:       10px;
  --shadow:       0 2px 10px rgba(0,0,0,.08);
  --shadow-hover: 0 6px 22px rgba(0,0,0,.13);

  background: #f4f6f8;
  min-height: calc(100vh - 120px);
  padding: 32px 24px;
  font-family: 'Malgun Gothic', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
}

.saupcard-tab .sc-container {
  max-width: 1100px;
  margin: 0 auto;
}

.saupcard-tab .sc-grid {
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

@media (max-width: 960px) {
  .saupcard-tab .sc-grid { grid-template-columns: 1fr; }
}

/* 왼쪽 컬럼: flex 컬럼으로 카드들이 높이를 채움 */
.saupcard-tab .sc-converter-col {
  display: flex;
  flex-direction: column;
}

.saupcard-tab #processForm {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.6rem;
}

.saupcard-tab .sc-converter-col .sc-card {
  margin-bottom: 0;
}

.saupcard-tab .sc-action-card {
  display: flex;
  flex-direction: column;
}

.saupcard-tab .sc-action-card .sc-card-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.saupcard-tab .sc-info-col {
  padding: 1rem 1.25rem;
}

.saupcard-tab .sc-info-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--primary-dk);
  margin-bottom: 0.75rem;
  font-family: inherit;
}

.saupcard-tab .sc-info-title svg {
  color: var(--primary);
  flex-shrink: 0;
}

.saupcard-tab .sc-info-subheading {
  font-size: 0.775rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  margin-top: 0.75rem;
}

.saupcard-tab .sc-info-list {
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text, #1a2332);
}

.saupcard-tab .sc-info-note {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

.saupcard-tab .sc-use-guide-img {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 1rem;
  margin-bottom: 0.7rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.saupcard-tab .sc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  overflow: hidden;
  transition: box-shadow .2s;
}

.saupcard-tab .sc-card:hover { box-shadow: var(--shadow-hover); }

.saupcard-tab .sc-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: linear-gradient(135deg, var(--primary-lt) 0%, #f8fbfb 100%);
  border-bottom: 1px solid var(--border);
}

.saupcard-tab .sc-card-header h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary-dk);
  margin: 0;
}

.saupcard-tab .sc-step-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  font-size: .85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.saupcard-tab .sc-card-body { padding: 12px 16px; }

/* 업로드 카드 body: 파일 선택 전후 높이 고정 */
.saupcard-tab .sc-converter-col .sc-card:first-child .sc-card-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 178px;
}

.saupcard-tab .sc-drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 0.45rem 1.5rem;
  text-align: center;
  background: #fafcfc;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}

.saupcard-tab .sc-drop-zone.drag-over {
  border-color: var(--primary);
  background: var(--primary-lt);
}

.saupcard-tab .sc-drop-icon { font-size: 3rem; margin-bottom: 8px; }
.saupcard-tab .sc-drop-main { font-size: .95rem; color: var(--text-muted); margin-bottom: 10px; }
.saupcard-tab .sc-drop-hint { font-size: .78rem; color: #aab4bf; margin-top: 6px; }

.saupcard-tab .sc-btn-select {
  display: inline-block;
  padding: 8px 22px;
  background: var(--primary);
  color: #fff;
  border-radius: 6px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .18s;
}

.saupcard-tab .sc-btn-select:hover { background: var(--primary-dk); }

.saupcard-tab .sc-file-info {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 0;
  padding: 12px 16px;
  background: var(--primary-lt);
  border: 1px solid #b2dfdb;
  border-radius: 8px;
}

.saupcard-tab .sc-file-icon { font-size: 1.2rem; }
.saupcard-tab .sc-file-name { flex: 1; font-size: .9rem; font-weight: 600; color: var(--primary-dk); word-break: break-all; }

.saupcard-tab .sc-btn-remove {
  background: none;
  border: none;
  color: #e53935;
  font-size: 1rem;
  cursor: pointer;
  padding: 0 4px;
  transition: opacity .15s;
}

.saupcard-tab .sc-btn-remove:hover { opacity: .7; }

.saupcard-tab .sc-action-card .sc-card-header {
  background: linear-gradient(135deg, #e0f7f4 0%, #f8fbfb 100%);
}

.saupcard-tab .sc-action-body { text-align: center; padding: 10px 24px; }
.saupcard-tab .sc-action-desc { font-size: .9rem; color: var(--text-muted); margin-bottom: 10px; }


.saupcard-tab .sc-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 36px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .18s, transform .1s, opacity .18s;
  letter-spacing: .01em;
  font-family: inherit;
}

.saupcard-tab .sc-btn-primary:hover:not(:disabled) { background: var(--primary-dk); transform: translateY(-1px); }
.saupcard-tab .sc-btn-primary:active:not(:disabled) { transform: translateY(0); }
.saupcard-tab .sc-btn-primary:disabled { opacity: .45; cursor: not-allowed; }
.saupcard-tab .sc-btn-icon { font-size: 1.1rem; }

.saupcard-tab .sc-loading-msg {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 18px;
  color: var(--primary);
  font-size: .9rem;
  font-weight: 600;
}

.saupcard-tab .sc-error-msg {
  margin-top: 14px;
  padding: 12px 16px;
  background: #fff5f5;
  border: 1px solid #fca5a5;
  border-radius: 7px;
  color: #b91c1c;
  font-size: .88rem;
}

.saupcard-tab .sc-theme-desc {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  line-height: 1.4;
}

.saupcard-tab .sc-theme-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.saupcard-tab .sc-theme-btn {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 10px 8px 10px;
  cursor: pointer;
  transition: border-color .18s, box-shadow .18s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  width: 100%;
}

.saupcard-tab .sc-theme-btn:hover { border-color: var(--primary); }

.saupcard-tab .sc-theme-btn.sc-theme-active {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,128,128,.18);
}

.saupcard-tab .sc-theme-preview {
  width: 100%;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,.08);
}

.saupcard-tab .sc-theme-name {
  font-size: .82rem;
  font-weight: 600;
  color: #1a2332;
}

@media (max-width: 640px) {
  .tab-btn { font-size: 0.85rem; padding: 0.7rem 0.875rem; }
  .saupcard-tab { padding: 16px 14px; }
  .saupcard-tab .sc-theme-grid { grid-template-columns: repeat(2, 1fr); }
}