/* ============================================================
   SQ PROMPT STUDIO · styles.css
   All CSS variables, component styles, responsive rules.
   ============================================================ */

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

    :root {
      --bg: #FFFFFF;
      --surface: #F8F9FA;
      --surface-hover: #EDEEF0;
      --surface-active: #E3E5E8;
      --text: #373833;
      --text-dim: rgba(55, 56, 51, 0.85);
      --text-muted: rgba(55, 56, 51, 0.60);
      --accent-green: #6ba539;
      --accent-green-dim: rgba(107, 165, 57, 0.15);
      --accent-green-glow: 0 0 16px rgba(107, 165, 57, 0.35);
      --accent-red: #FA2742;
      --accent-red-dim: rgba(250, 39, 66, 0.1);
      --border: rgba(55, 56, 51, 0.1);
      --border-accent: rgba(107, 165, 57, 0.4);
      --shadow: 0 4px 12px rgba(0,0,0,0.05);
      --radius: 12px;
      --radius-sm: 8px;
      --font-heading: 'DM Serif Display', Georgia, serif;
      --font-main: 'DM Sans', system-ui, sans-serif;
      --transition: 180ms ease;
    }

    [data-theme="dark"] {
      --bg: #373833;
      --surface: rgba(255, 255, 255, 0.05);
      --surface-hover: rgba(255, 255, 255, 0.09);
      --surface-active: rgba(255, 255, 255, 0.13);
      --text: #E8EAE3;
      --text-dim: rgba(232, 234, 227, 0.88);
      --text-muted: rgba(232, 234, 227, 0.60);
      --border: rgba(255, 255, 255, 0.1);
      --border-accent: rgba(107, 165, 57, 0.5);
      --shadow: 0 4px 12px rgba(0,0,0,0.3);
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: var(--font-main);
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
      transition: background 250ms ease, color 250ms ease;
    }

    /* ── HEADER ── */
    .site-header {
      padding: 20px 32px;
      border-bottom: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: sticky;
      top: 0;
      z-index: 100;
      background: var(--accent-green);
      box-shadow: 0 2px 16px rgba(107,165,57,0.3);
      transition: background 250ms ease;
    }

    .header-brand {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .header-title {
      font-family: var(--font-heading);
      font-size: clamp(18px, 2.5vw, 24px);
      font-weight: 700;
      letter-spacing: 0.01em;
      line-height: 1.1;
      color: #FFFFFF;
    }

    .header-sub {
      font-family: var(--font-main);
      font-size: 11px;
      color: rgba(255,255,255,0.75);
      letter-spacing: 0.06em;
    }

    .header-meta {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .badge {
      font-family: var(--font-main);
      font-size: 10px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      font-weight: 600;
      padding: 4px 10px;
      border: 1px solid rgba(255,255,255,0.45);
      border-radius: 4px;
      color: #FFFFFF;
      background: rgba(255,255,255,0.15);
    }

    /* ── THEME TOGGLE ── */
    .theme-toggle {
      background: rgba(255,255,255,0.15);
      border: 1px solid rgba(255,255,255,0.35);
      border-radius: var(--radius-sm);
      color: #FFFFFF;
      cursor: pointer;
      padding: 7px 10px;
      font-size: 16px;
      line-height: 1;
      transition: all var(--transition);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .theme-toggle:hover {
      background: rgba(255,255,255,0.28);
      border-color: rgba(255,255,255,0.6);
    }

    /* ── MAIN GRID ── */
    .studio-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      grid-template-rows: auto auto;
      gap: 16px;
      padding: 24px 32px 40px;
      max-width: 1400px;
      margin: 0 auto;
    }

    /* ── BENTO CARD ── */
    .card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
      backdrop-filter: blur(12px);
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
      position: relative;
      overflow: hidden;
    }

    .card::before {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: var(--radius);
      background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, transparent 60%);
      pointer-events: none;
    }

    .card:hover {
      transform: translateY(-2px);
      border-color: rgba(255, 255, 255, 0.22);
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    }

    .card-header {
      margin-bottom: 18px;
    }

    .card-step-row {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 6px;
    }

    .step-status {
      font-family: var(--font-main);
      font-size: 9px;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      padding: 3px 8px;
      border-radius: 99px;
      border: 1px solid var(--border);
      color: var(--text-muted);
      background: transparent;
      transition: all var(--transition);
      white-space: nowrap;
    }

    .step-status.complete {
      color: var(--accent-green);
      border-color: var(--border-accent);
      background: var(--accent-green-dim);
    }

    .step-status.in-progress {
      color: #B45309;
      border-color: rgba(217, 119, 6, 0.4);
      background: rgba(251, 191, 36, 0.12);
    }

    [data-theme="dark"] .step-status.in-progress {
      color: #FCD34D;
      border-color: rgba(252, 211, 77, 0.35);
      background: rgba(252, 211, 77, 0.08);
    }
      font-family: var(--font-main);
      font-size: 10px;
      font-weight: 700;
      color: var(--text-muted);
      background: var(--surface-hover);
      border: 1px solid var(--border);
      border-radius: 99px;
      padding: 2px 8px;
      letter-spacing: 0.04em;
      transition: all var(--transition);
    }

    .card-count-badge.has-stories {
      color: var(--accent-green);
      background: var(--accent-green-dim);
      border-color: var(--border-accent);
    }

    .card-step-badge {
      font-family: var(--font-main);
      font-size: 9px;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: #FFFFFF;
      background: var(--accent-green);
      padding: 3px 8px;
      border-radius: 3px;
      line-height: 1.4;
    }

    .card-title {
      font-family: var(--font-heading);
      font-size: 20px;
      font-weight: 700;
      color: var(--text);
      line-height: 1.1;
      margin-bottom: 4px;
    }

    .card-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Legacy card-label for instructions card dot */
    .card-label {
      font-family: var(--font-main);
      font-size: 10px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      font-weight: 700;
      color: var(--accent-green);
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .card-label::before {
      content: '';
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent-green);
      flex-shrink: 0;
    }

    /* Grid placement */
    .card-input   { grid-column: 1 / 3; grid-row: 2; }
    .card-bank    { grid-column: 3 / 4; grid-row: 2; }
    .card-matrix  { grid-column: 1 / 2; grid-row: 3; }
    .card-score   { grid-column: 2 / 3; grid-row: 3; }
    .card-sidekick{ grid-column: 3 / 4; grid-row: 3; }

    /* ── INPUT CARD ── */
    .input-title {
      width: 100%;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      color: var(--text);
      font-family: var(--font-main);
      font-size: 14px;
      font-weight: 600;
      padding: 10px 14px;
      margin-bottom: 12px;
      outline: none;
      transition: border-color var(--transition), box-shadow var(--transition);
      letter-spacing: 0.02em;
    }

    .input-title.input-error {
      border-color: var(--accent-red);
      box-shadow: 0 0 0 3px rgba(250, 39, 66, 0.12);
      animation: shakeError 320ms ease;
    }

    @keyframes shakeError {
      0%, 100% { transform: translateX(0); }
      25%       { transform: translateX(-4px); }
      75%       { transform: translateX(4px); }
    }

    .input-title::placeholder { color: var(--text-muted); }

    .input-title:focus {
      border-color: var(--border-accent);
      box-shadow: 0 0 0 3px rgba(107, 165, 57, 0.12);
    }

    .input-audience-row {
      display: flex;
      gap: 10px;
      align-items: center;
      margin-bottom: 12px;
    }

    .input-audience-label {
      font-family: var(--font-main);
      font-size: 10px;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.1em;
      font-weight: 600;
      white-space: nowrap;
    }

    .audience-select {
      flex: 1;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      color: var(--text);
      font-family: var(--font-main);
      font-size: 12px;
      padding: 8px 12px;
      outline: none;
      cursor: pointer;
      transition: border-color var(--transition);
    }

    .audience-select:focus { border-color: var(--border-accent); }
    .audience-select option { background: var(--bg); color: var(--text); }

    .input-story {
      width: 100%;
      min-height: 180px;
      resize: vertical;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      color: var(--text);
      font-family: var(--font-main);
      font-size: 14px;
      line-height: 1.6;
      padding: 14px;
      outline: none;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .input-story::placeholder { color: var(--text-muted); font-style: italic; }

    .input-story:focus {
      border-color: var(--border-accent);
      box-shadow: 0 0 0 3px rgba(107, 165, 57, 0.12);
    }

    .input-actions {
      display: flex;
      gap: 10px;
      margin-top: 12px;
    }

    .btn {
      font-family: var(--font-main);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      padding: 10px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      cursor: pointer;
      transition: all var(--transition);
      outline: none;
    }

    .btn-primary {
      background: var(--accent-green);
      color: #FFFFFF;
      border-color: var(--accent-green);
    }

    .btn-primary:hover {
      filter: brightness(1.1);
      box-shadow: var(--accent-green-glow);
      transform: translateY(-1px);
    }

    .btn-secondary {
      background: transparent;
      color: var(--text-dim);
      border-color: var(--border);
    }

    .btn-secondary:hover {
      background: var(--surface-hover);
      color: var(--text);
      border-color: rgba(55, 56, 51, 0.25);
    }

    [data-theme="dark"] .btn-secondary:hover {
      border-color: rgba(255, 255, 255, 0.2);
    }

    .btn-sidekick {
      background: var(--text);
      color: var(--bg);
      border-color: var(--text);
      font-size: 13px;
      padding: 13px 20px;
      letter-spacing: 0.04em;
    }

    .btn-sidekick:hover {
      opacity: 0.85;
      transform: translateY(-1px);
      box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    }

    .btn-clear-confirm {
      background: var(--accent-red-dim);
      color: var(--accent-red);
      border: 1px solid var(--accent-red);
      font-family: var(--font-main);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      padding: 10px 18px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all var(--transition);
    }

    .btn-clear-confirm:hover {
      background: var(--accent-red);
      color: #FFFFFF;
    }

    .btn-export-quiet {
      display: block;
      width: 100%;
      margin-top: 16px;
      background: none;
      border: 1px solid var(--border);
      color: var(--text-muted);
      font-family: var(--font-main);
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 0.04em;
      text-align: center;
      cursor: pointer;
      padding: 9px;
      border-radius: var(--radius-sm);
      transition: color var(--transition), background var(--transition), border-color var(--transition);
    }

    .btn-export-quiet:hover {
      color: var(--text-dim);
      background: var(--surface-hover);
      border-color: var(--border-accent);
    }

    /* ── MATRIX TENSION FLAG ── */
    .matrix-tension {
      margin-top: 12px;
      padding: 10px 12px;
      background: rgba(251, 191, 36, 0.1);
      border: 1px solid rgba(217, 119, 6, 0.35);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }

    [data-theme="dark"] .matrix-tension {
      background: rgba(252, 211, 77, 0.07);
      border-color: rgba(252, 211, 77, 0.25);
    }

    .tension-icon {
      font-size: 12px;
      flex-shrink: 0;
      margin-top: 1px;
      color: #B45309;
    }

    [data-theme="dark"] .tension-icon { color: #FCD34D; }

    .tension-text {
      font-family: var(--font-main);
      font-size: 11px;
      line-height: 1.55;
      color: #92400E;
      font-weight: 500;
    }

    [data-theme="dark"] .tension-text { color: #FCD34D; }
    .matrix-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      grid-template-rows: 1fr 1fr;
      gap: 8px;
      margin-top: 8px;
    }

    .matrix-axis-labels {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
      margin-bottom: 4px;
    }

    .axis-label {
      font-family: var(--font-main);
      font-size: 9px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--text-muted);
      text-align: center;
    }

    .matrix-cell {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 14px 10px;
      text-align: center;
      cursor: pointer;
      transition: all var(--transition);
      position: relative;
      overflow: hidden;
    }

    .matrix-cell::after {
      content: '';
      position: absolute;
      inset: 0;
      background: var(--accent-green);
      opacity: 0;
      transition: opacity var(--transition);
    }

    .matrix-cell:hover {
      border-color: var(--border-accent);
      transform: scale(1.03);
    }

    .matrix-cell.active {
      border-color: var(--accent-green);
      background: var(--accent-green-dim);
      box-shadow: inset 0 0 0 1px var(--accent-green), var(--accent-green-glow);
    }

    .matrix-cell-tag {
      font-family: var(--font-main);
      font-size: 9px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--text-muted);
      margin-bottom: 6px;
      display: block;
      position: relative;
      z-index: 1;
    }

    .matrix-cell.active .matrix-cell-tag { color: var(--accent-green); }

    .matrix-cell-type {
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.04em;
      color: var(--text-dim);
      display: block;
      position: relative;
      z-index: 1;
      line-height: 1.3;
    }

    .matrix-cell.active .matrix-cell-type { color: var(--text); }

    .matrix-y-labels {
      display: flex;
      flex-direction: column;
      justify-content: space-around;
      padding: 0 0 0 0;
      gap: 8px;
    }

    .matrix-layout {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 8px;
      align-items: center;
    }

    .y-label {
      font-family: var(--font-main);
      font-size: 9px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--text-muted);
      writing-mode: vertical-rl;
      text-orientation: mixed;
      transform: rotate(180deg);
      text-align: center;
    }

    /* ── SCORECARD ── */
    .pillars-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
      margin-top: 4px;
    }

    .pillar-toggle {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 14px;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all var(--transition);
      user-select: none;
    }

    .pillar-toggle:hover {
      background: var(--surface-hover);
      border-color: var(--border-accent);
    }

    .pillar-toggle.active {
      background: var(--accent-green-dim);
      border-color: var(--accent-green);
      box-shadow: var(--accent-green-glow);
    }

    .pillar-name {
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.02em;
      color: var(--text-dim);
      transition: color var(--transition);
    }

    .pillar-toggle.active .pillar-name { color: var(--accent-green); }

    .pillar-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      border: 2px solid var(--border);
      background: transparent;
      transition: all var(--transition);
      flex-shrink: 0;
    }

    .pillar-toggle.active .pillar-dot {
      background: var(--accent-green);
      border-color: var(--accent-green);
      box-shadow: 0 0 8px rgba(107, 165, 57, 0.6);
    }

    .score-display {
      margin-top: 12px;
      padding: 10px;
      border-top: 1px solid var(--border);
    }

    .score-top-row {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      margin-bottom: 8px;
    }

    .score-bar-track {
      width: 100%;
      height: 6px;
      background: var(--border);
      border-radius: 99px;
      overflow: hidden;
    }

    .score-bar-fill {
      height: 100%;
      border-radius: 99px;
      background: var(--accent-green);
      transition: width 300ms cubic-bezier(0.4, 0, 0.2, 1);
      width: 0%;
    }

    .score-bar-fill.perfect {
      box-shadow: 0 0 8px rgba(107,165,57,0.6);
    }

    .score-value {
      font-family: var(--font-main);
      font-size: 28px;
      font-weight: 700;
      color: var(--text-dim);
      transition: color var(--transition);
    }

    .score-value.perfect { color: var(--accent-green); text-shadow: var(--accent-green-glow); }

    .score-label {
      font-family: var(--font-main);
      font-size: 10px;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.1em;
      font-weight: 600;
    }

    /* ── STORY BANK ── */
    .bank-list {
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-top: 4px;
      max-height: 260px;
      overflow-y: auto;
    }

    .bank-list::-webkit-scrollbar { width: 4px; }
    .bank-list::-webkit-scrollbar-track { background: transparent; }
    .bank-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

    .bank-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 12px;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all var(--transition);
      gap: 8px;
    }

    .bank-item:hover {
      background: var(--surface-hover);
      border-color: var(--border-accent);
    }

    .bank-item.active-item {
      border-color: var(--accent-green);
      background: var(--accent-green-dim);
    }

    .bank-item-info { flex: 1; min-width: 0; }

    .bank-item-title {
      font-size: 12px;
      font-weight: 600;
      color: var(--text);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .bank-item-meta {
      font-family: var(--font-main);
      font-size: 10px;
      color: var(--text-muted);
      margin-top: 2px;
    }

    .bank-item-del {
      background: none;
      border: none;
      color: var(--accent-red);
      cursor: pointer;
      padding: 2px 4px;
      font-size: 14px;
      line-height: 1;
      border-radius: 4px;
      transition: color var(--transition), background var(--transition);
      flex-shrink: 0;
      opacity: 0.55;
    }

    .bank-item-del:hover {
      opacity: 1;
      background: var(--accent-red-dim);
    }

    .bank-empty {
      font-family: var(--font-main);
      font-size: 11px;
      color: var(--text-muted);
      text-align: center;
      padding: 24px 0;
      line-height: 1.6;
    }

    /* ── SIDEKICK ── */
    .story-type-display {
      padding: 14px 16px;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      transition: all var(--transition);
    }

    .story-type-display.wow-state {
      border-color: var(--accent-green);
      background: var(--accent-green-dim);
      box-shadow: var(--accent-green-glow);
    }

    .story-type-label {
      font-family: var(--font-main);
      font-size: 9px;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.12em;
      font-weight: 600;
      margin-bottom: 4px;
    }

    .story-type-value {
      font-family: var(--font-heading);
      font-size: 16px;
      font-weight: 700;
      letter-spacing: 0.02em;
      color: var(--text-dim);
      transition: color var(--transition);
    }

    .story-type-display.wow-state .story-type-value { color: var(--accent-green); }

    .prompt-box {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 14px;
      font-family: var(--font-main);
      font-size: 13px;
      line-height: 1.7;
      color: var(--text-dim);
      min-height: 100px;
      margin-bottom: 12px;
      transition: color var(--transition), border-color var(--transition);
      word-break: break-word;
    }

    .prompt-box.wow-state {
      color: var(--accent-green);
      border-color: var(--border-accent);
    }

    .prompt-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 6px;
    }

    .prompt-char-count {
      font-family: var(--font-main);
      font-size: 10px;
      color: var(--text-muted);
      letter-spacing: 0.04em;
      transition: color var(--transition);
    }

    .prompt-char-count.has-content { color: var(--accent-green); }

    .prompt-placeholder {
      color: var(--text-muted);
      font-style: italic;
    }

    /* ── NOTIFICATION ── */
    .toast {
      position: fixed;
      bottom: 32px;
      right: 32px;
      background: var(--accent-green);
      color: #FFFFFF;
      font-family: var(--font-main);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.06em;
      padding: 12px 20px;
      border-radius: var(--radius-sm);
      box-shadow: var(--accent-green-glow);
      transform: translateY(80px);
      opacity: 0;
      transition: all 300ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
      z-index: 1000;
      pointer-events: none;
    }

    .toast.show {
      transform: translateY(0);
      opacity: 1;
    }

    /* ── RESPONSIVE ── */
    @media (max-width: 900px) {
      .studio-grid {
        grid-template-columns: 1fr;
        padding: 16px;
      }
      .card-instructions,
      .card-input, .card-bank, .card-matrix, .card-score, .card-sidekick {
        grid-column: 1;
        grid-row: auto;
      }
      .site-header { padding: 16px; }
      .site-footer { padding: 16px; flex-direction: column; gap: 8px; align-items: flex-start; }
    }

    @media (max-width: 600px) {
      .header-meta .badge:first-child { display: none; }
      .studio-grid { padding: 12px; gap: 12px; }
    }

    /* ── ANIMATIONS ── */
    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(8px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    .card { animation: fadeIn 400ms ease backwards; }
    .card:nth-child(1) { animation-delay: 60ms; }
    .card:nth-child(2) { animation-delay: 120ms; }
    .card:nth-child(3) { animation-delay: 180ms; }
    .card:nth-child(4) { animation-delay: 240ms; }
    .card:nth-child(5) { animation-delay: 300ms; }

    @keyframes pulseAccent {
      0%, 100% { box-shadow: var(--accent-green-glow); }
      50%       { box-shadow: 0 0 28px rgba(107, 165, 57, 0.6), 0 0 56px rgba(107, 165, 57, 0.25); }
    }

    .wow-pulse { animation: pulseAccent 2s ease infinite; }

    .instructions-toggle {
      background: transparent;
      border: 1px solid var(--border-accent);
      border-radius: var(--radius-sm);
      color: var(--accent-green);
      font-family: var(--font-main);
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      padding: 5px 10px;
      cursor: pointer;
      transition: all var(--transition);
      display: flex;
      align-items: center;
      gap: 5px;
      white-space: nowrap;
      flex-shrink: 0;
      align-self: flex-start;
    }

    .instructions-toggle:hover {
      background: var(--accent-green-dim);
    }

    .instructions-toggle .toggle-arrow {
      display: inline-block;
      transition: transform 250ms ease;
      font-style: normal;
      font-size: 10px;
    }

    .instructions-toggle.collapsed .toggle-arrow {
      transform: rotate(-90deg);
    }

    .instructions-body {
      display: flex;
      flex-direction: column;
      gap: 16px;
      overflow: hidden;
      transition: max-height 350ms ease, opacity 300ms ease;
      max-height: 500px;
      opacity: 1;
      margin-top: 14px;
    }

    .instructions-body.collapsed {
      max-height: 0;
      opacity: 0;
      pointer-events: none;
      margin-top: 0;
    }

    .instructions-intro {
      flex: 1;
      min-width: 0;
    }

    .instructions-header-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 16px;
      gap: 12px;
    }

    /* Override instructions card to be flex column */
    .card-instructions {
      grid-column: 1 / -1;
      grid-row: 1;
      flex-direction: column;
    }

    .instructions-intro {
      flex: 1;
      min-width: 220px;
    }

    .instructions-title {
      font-family: var(--font-heading);
      font-size: 20px;
      font-weight: 700;
      color: var(--text);
      line-height: 1.1;
      margin-bottom: 8px;
    }

    .instructions-desc {
      font-size: 13px;
      color: var(--text-dim);
      line-height: 1.6;
      width: 75%;
    }

    .instructions-steps {
      flex: 3;
      display: flex;
      gap: 0;
      min-width: 0;
    }

    .instruction-step {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 4px;
      padding: 0 16px;
      border-left: 1px solid var(--border);
      min-width: 0;
    }

    .instruction-step:first-child {
      padding-left: 0;
      border-left: none;
    }

    .step-number {
      font-family: var(--font-main);
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--accent-green);
      margin-bottom: 2px;
    }

    .step-title {
      font-family: var(--font-heading);
      font-size: 13px;
      font-weight: 700;
      color: var(--text);
      line-height: 1.2;
    }

    .step-desc {
      font-size: 11px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    @media (max-width: 900px) {
      .card-instructions {
        flex-direction: column;
        gap: 20px;
      }
      .instructions-steps {
        flex-wrap: wrap;
        gap: 16px;
      }
      .instruction-step {
        flex: 1 1 40%;
        border-left: none;
        padding-left: 0;
        border-top: 1px solid var(--border);
        padding-top: 12px;
      }
      .instruction-step:first-child {
        border-top: none;
        padding-top: 0;
      }
    }

    @media (max-width: 600px) {
      .instruction-step { flex: 1 1 100%; }
    }
    .site-footer {
      background: #F0F0F0;
      border-top: 1px solid rgba(0,0,0,0.08);
      padding: 18px 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    [data-theme="dark"] .site-footer {
      background: #2A2B27;
      border-top-color: rgba(255,255,255,0.06);
    }

    .footer-copy {
      font-family: var(--font-main);
      font-size: 11px;
      color: #888;
      letter-spacing: 0.03em;
    }

    [data-theme="dark"] .footer-copy { color: #666; }

    .footer-credit {
      font-family: var(--font-main);
      font-size: 11px;
      color: #888;
      letter-spacing: 0.03em;
    }

    .footer-cta {
      font-family: var(--font-main);
      font-size: 11px;
      color: #888;
      letter-spacing: 0.03em;
    }

    .footer-cta a {
      color: var(--accent-green);
      text-decoration: none;
      font-weight: 600;
      transition: opacity var(--transition);
    }

    .footer-cta a:hover { opacity: 0.75; }

    [data-theme="dark"] .footer-cta { color: #666; }

    [data-theme="dark"] .footer-credit { color: #666; }

    .footer-credit a {
      color: var(--accent-green);
      text-decoration: none;
      font-weight: 600;
      transition: opacity var(--transition);
    }

    .footer-credit a:hover { opacity: 0.75; }