/* ═══════════════════════════════════════════════
   Simplifile — Styles CSS optimisés
   Version : design system + mode sombre + responsive + a11y
   ═══════════════════════════════════════════════ */

/* ─────────────── 1. DESIGN TOKENS (Clair) ─────────────── */
:root {
  --blue: #2454c6;
  --blue-light: #3b6fe0;
  --blue-dark: #1a3d8f;
  --blue-bg: #eff3fc;
  --red: #d32f2f;
  --red-bg: #fdecea;
  --green: #2e7d32;
  --green-bg: #e8f5e9;
  --yellow: #f59e0b;
  --yellow-bg: #fffbeb;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-card: #ffffff;
  --text: #1e293b;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─────────────── 1b. DESIGN TOKENS (Sombre) ─────────────── */
[data-theme="dark"] {
  --blue: #5b8def;
  --blue-light: #7aa5ff;
  --blue-dark: #2454c6;
  --blue-bg: #1a2744;
  --red: #ef5350;
  --red-bg: #2d1b1b;
  --green: #66bb6a;
  --green-bg: #1a2e1a;
  --yellow: #ffb74d;
  --yellow-bg: #2d2515;
  --slate-50: #1e293b;
  --slate-100: #1e293b;
  --slate-200: #334155;
  --slate-300: #475569;
  --slate-400: #94a3b8;
  --slate-500: #94a3b8;
  --slate-600: #cbd5e1;
  --slate-700: #e2e8f0;
  --slate-800: #f1f5f9;
  --slate-900: #f8fafc;
  --bg: #0f172a;
  --bg-alt: #1e293b;
  --bg-card: #1e293b;
  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --border: #334155;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.5);
}

/* ─────────────── 2. RESET / BASE ─────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
button { cursor: pointer; font-family: inherit; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: var(--radius-sm); }

/* Skip link (a11y) */
.skip-link {
  position: absolute; top: -100px; left: 0; z-index: 10000;
  background: var(--blue); color: #fff; padding: 8px 16px;
  border-radius: var(--radius-sm); font-weight: 600;
}
.skip-link:focus { top: 8px; left: 8px; }

/* ─────────────── 3. LAYOUT ─────────────── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 1000;
  transition: background var(--transition), border-color var(--transition);
}
[data-theme="dark"] .topbar {
  background: rgba(15,23,42,0.9);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none !important; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
}
.brand small { display: block; font-size: 11px; color: var(--text-secondary); font-weight: 400; }
.nav { display: flex; gap: 20px; align-items: center; }
.nav a { color: var(--text-secondary); font-size: 14px; font-weight: 500; transition: color var(--transition); }
.nav a:hover { color: var(--blue); text-decoration: none; }
.account-link {
  padding: 8px 18px; border-radius: var(--radius-md);
  background: var(--blue); color: #fff !important; font-size: 13px;
  font-weight: 600; transition: all var(--transition);
}
.account-link:hover { background: var(--blue-dark); text-decoration: none; }

/* Dark Mode Toggle */
.theme-toggle {
  background: none; border: 1px solid var(--border); border-radius: var(--radius-sm);
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: var(--text-secondary); cursor: pointer;
  transition: all var(--transition);
}
.theme-toggle:hover { background: var(--bg-alt); color: var(--blue); }

/* Hero / Workspace */
.workspace {
  max-width: 960px; margin: 0 auto; padding: 60px 20px 40px;
  display: flex; flex-direction: column; gap: 40px;
}
.workspace .eyebrow { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-secondary); margin-bottom: 8px; }
.workspace h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; line-height: 1.2; margin-bottom: 16px; color: var(--text); }
.workspace .lead { font-size: 1.05rem; color: var(--text-secondary); max-width: 640px; line-height: 1.7; }
.rgpd-badge { display: flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: var(--radius-md); background: var(--green-bg); font-size: 13px; color: var(--green); margin-bottom: 24px; }
.rgpd-sep { opacity: 0.3; }

/* Hero search */
.hero-search-wrapper { margin-bottom: 28px; }
.hero-search-inner {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; border: 2px solid var(--border);
  border-radius: var(--radius-lg); background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.hero-search-inner:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-bg); }
.hero-search-icon { font-size: 20px; }
.hero-search input { flex: 1; border: none; font-size: 16px; outline: none; background: transparent; color: var(--text); }
.search-suggestions { display: flex; align-items: center; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.suggestion-label { font-size: 12px; color: var(--text-secondary); }
.suggestion-tag {
  font-size: 12px; padding: 4px 12px; border-radius: 9999px;
  background: var(--bg-alt); border: 1px solid var(--border);
  color: var(--text-secondary); transition: all var(--transition);
}
.suggestion-tag:hover { background: var(--blue-bg); border-color: var(--blue); color: var(--blue); }

/* Hero metrics */
.hero-metrics { display: flex; gap: 20px; }
.hero-metrics span { font-size: 13px; color: var(--text-secondary); }
.hero-metrics strong { color: var(--text); }

/* Sections */
.section {
  max-width: 1120px; margin: 0 auto; padding: 60px 20px;
}
.section-head { margin-bottom: 32px; }
.section-head h2 { font-size: clamp(1.4rem, 3vw, 1.8rem); font-weight: 600; margin-bottom: 8px; color: var(--text); }
.section-head p { color: var(--text-secondary); max-width: 560px; }

/* ─────────────── 4. TOOL GRID ─────────────── */
.popular-tools { margin-bottom: 24px; }
.popular-heading { font-size: 14px; font-weight: 600; color: var(--text-secondary); margin-bottom: 12px; }
.popular-grid, .tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}
.popular-section { margin-bottom: 20px; }

.tool-card {
  display: flex; flex-direction: column; gap: 6px;
  padding: 16px; border-radius: var(--radius-md);
  background: var(--bg-alt); border: 1px solid var(--border);
  text-align: left; transition: all var(--transition);
}
.tool-card:hover {
  background: var(--bg-card); border-color: var(--blue);
  box-shadow: 0 4px 16px rgba(36,84,198,0.12);
  transform: translateY(-2px);
}
.tool-card.coming-soon { opacity: 0.6; cursor: default; }
.tool-card .eyebrow { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-secondary); }
.tool-card h3 { font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.3; }
.tool-card p { font-size: 12px; color: var(--text-secondary); line-height: 1.5; flex: 1; }
.tool-meta { display: flex; gap: 4px; flex-wrap: wrap; }
.tag {
  display: inline-block; padding: 2px 8px; border-radius: 9999px;
  font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em;
}
.tag.premium { background: var(--yellow-bg); color: #92400e; }
[data-theme="dark"] .tag.premium { color: #ffb74d; }
.tag.local { background: var(--green-bg); color: var(--green); }
.tag.coming-soon { background: var(--bg-alt); color: var(--text-secondary); }
.premium-badge { font-size: 12px; vertical-align: middle; }

/* ─────────────── 5. CATEGORY TABS ─────────────── */
.category-tabs {
  display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 20px;
}
.category-tabs button {
  padding: 6px 16px; border-radius: 9999px; border: 1px solid var(--border);
  font-size: 13px; font-weight: 500; background: var(--bg); color: var(--text-secondary);
  transition: all var(--transition);
}
.category-tabs button:hover { background: var(--bg-alt); }
.category-tabs button[aria-selected="true"] {
  background: var(--blue); color: #fff; border-color: var(--blue);
}

/* Catalogue toolbar */
.catalogue-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; font-size: 13px; color: var(--text-secondary);
}
.toolbar-controls { display: flex; gap: 12px; }
.toolbar-controls label { display: flex; align-items: center; gap: 4px; font-size: 12px; }
.toolbar-controls select {
  padding: 4px 8px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  font-size: 12px; background: var(--bg); color: var(--text);
}

/* ─────────────── 6. TOOL PANEL / WORKBENCH ─────────────── */
.tool-panel { display: flex; flex-direction: column; gap: 16px; }
.tool-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.tool-head h2 { font-size: 1.3rem; color: var(--text); }
.plan-pill {
  padding: 4px 14px; border-radius: 9999px;
  font-size: 12px; font-weight: 600;
  background: var(--green-bg); color: var(--green);
  white-space: nowrap;
}
.tool-actions { display: flex; gap: 8px; }
.tool-stats { display: flex; gap: 16px; }
.tool-stat span { display: block; font-size: 11px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.03em; }
.tool-stat strong { font-size: 13px; color: var(--text); }

.dropzone {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 32px 20px; border: 2px dashed var(--border);
  border-radius: var(--radius-lg); cursor: pointer; transition: all var(--transition);
  background: var(--bg-alt);
}
.dropzone:hover { border-color: var(--blue); background: var(--blue-bg); }
.dropzone input { display: none; }
.drop-icon { font-size: 28px; color: var(--text-secondary); }
.dropzone strong { font-size: 14px; color: var(--text); }
.dropzone small { font-size: 12px; color: var(--text-secondary); }
.dropzone-limits { font-size: 12px; color: var(--text-secondary); }

.file-list { display: flex; flex-direction: column; gap: 4px; }
.file-row { display: flex; justify-content: space-between; padding: 8px 12px; border-radius: var(--radius-sm); background: var(--bg-alt); font-size: 13px; color: var(--text); }
.file-row.file-error { background: var(--red-bg); color: var(--red); }

.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.settings-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-secondary); }
.settings-grid select { padding: 8px 12px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--bg); color: var(--text); }

/* Workbench */
.local-workbench { display: flex; flex-direction: column; gap: 12px; }
.workbench-head { display: flex; justify-content: space-between; align-items: flex-start; }
.workbench-head h3 { font-size: 14px; font-weight: 500; color: var(--text-secondary); }
.workbench-controls { display: flex; gap: 8px; flex-wrap: wrap; }
.workbench-controls label { display: flex; flex-direction: column; gap: 2px; font-size: 11px; color: var(--text-secondary); }
.workbench-controls select,
.workbench-controls input { padding: 6px 10px; border-radius: var(--radius-sm); border: 1px solid var(--border); font-size: 12px; background: var(--bg); color: var(--text); }
#text-input {
  width: 100%; min-height: 120px; padding: 12px; border: 1px solid var(--border);
  border-radius: var(--radius-md); resize: vertical; font-family: var(--font-mono); font-size: 13px;
  background: var(--bg); color: var(--text);
}
.workbench-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.local-output {
  padding: 12px; background: var(--slate-800); color: #e2e8f0;
  border-radius: var(--radius-md); font-family: var(--font-mono); font-size: 12px;
  white-space: pre-wrap; min-height: 60px; max-height: 300px; overflow: auto;
}

/* ─────────────── 7. PROGRESS & RESULT ─────────────── */
.progress-card { display: flex; flex-direction: column; gap: 8px; }
.progress-row { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-secondary); }
.progress-track { height: 8px; background: var(--border); border-radius: 9999px; overflow: hidden; }
.progress-track span { display: block; height: 100%; border-radius: 9999px; background: var(--blue); transition: width 0.3s ease; }
.result-card { display: flex; flex-direction: column; gap: 4px; padding: 16px; border-radius: var(--radius-md); background: var(--green-bg); }
.result-card.error { background: var(--red-bg); }
#result-copy { font-size: 13px; color: var(--text); }

.next-tools { display: flex; flex-direction: column; gap: 8px; padding: 16px; border-radius: var(--radius-md); background: var(--bg-alt); }
.next-tools strong { font-size: 13px; color: var(--text); }
.next-tools span { font-size: 12px; color: var(--text-secondary); }
.next-tool-list { display: flex; gap: 8px; flex-wrap: wrap; }
.next-tool-list button { padding: 6px 14px; border-radius: 9999px; border: 1px solid var(--border); font-size: 12px; background: var(--bg); color: var(--text); transition: all var(--transition); }
.next-tool-list button:hover { border-color: var(--blue); color: var(--blue); }

/* ─────────────── 8. PRICING ─────────────── */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.pricing-card {
  display: flex; flex-direction: column; gap: 12px; padding: 24px;
  border-radius: var(--radius-lg); border: 1px solid var(--border);
  background: var(--bg-card); transition: all var(--transition);
}
.pricing-card:hover { box-shadow: var(--shadow-md); }
.pricing-card.featured {
  border-color: var(--blue); box-shadow: 0 0 0 2px var(--blue-bg);
  transform: scale(1.02);
}
.pricing-card .eyebrow { font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.price { font-size: 1.6rem; font-weight: 700; color: var(--text); }
.pricing-card ul { list-style: none; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.pricing-card li { font-size: 13px; color: var(--text-secondary); padding-left: 18px; position: relative; }
.pricing-card li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.btn-subscribe {
  padding: 10px 20px; border: none; border-radius: var(--radius-md);
  background: var(--blue); color: #fff; font-size: 13px; font-weight: 600;
  transition: all var(--transition);
}
.btn-subscribe:hover:not(:disabled) { background: var(--blue-dark); }
.btn-subscribe:disabled { opacity: 0.5; cursor: default; }

/* ─────────────── 9. DASHBOARD ─────────────── */
.dashboard-layout { display: grid; grid-template-columns: 1fr 2fr; gap: 20px; }
.quota-panel { display: flex; flex-direction: column; gap: 8px; padding: 20px; border-radius: var(--radius-md); border: 1px solid var(--border); }
.quota-panel span { font-size: 12px; color: var(--text-secondary); }
.quota-panel strong { font-size: 16px; color: var(--text); }
.mini-table { display: flex; flex-direction: column; gap: 4px; }
.mini-table > div { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; padding: 8px 12px; font-size: 12px; }
.mini-table > div:first-child { font-weight: 600; color: var(--text-secondary); border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.empty-state { font-size: 12px; color: var(--text-secondary); font-style: italic; }

/* Job history filters */
.job-filters {
  display: flex; gap: 8px; align-items: center; margin-bottom: 12px; flex-wrap: wrap;
}
.job-filter-btn {
  padding: 4px 12px; border-radius: 9999px; border: 1px solid var(--border);
  font-size: 12px; background: var(--bg); color: var(--text-secondary);
  transition: all var(--transition);
}
.job-filter-btn:hover { background: var(--bg-alt); }
.job-filter-btn.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.job-search {
  padding: 4px 10px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  font-size: 12px; background: var(--bg); color: var(--text); flex: 1; min-width: 120px;
}
.job-row {
  display: grid; grid-template-columns: 1fr auto; gap: 8px; padding: 8px 12px;
  border-radius: var(--radius-sm); transition: background var(--transition);
}
.job-row:hover { background: var(--bg-alt); }
.job-title { font-size: 13px; color: var(--text); }
.job-meta { font-size: 11px; color: var(--text-secondary); }
.job-status {
  font-size: 11px; padding: 2px 8px; border-radius: 9999px; font-weight: 600;
}
.status-prêt, .status-ready { background: var(--green-bg); color: var(--green); }
.status-erreur, .status-error { background: var(--red-bg); color: var(--red); }
.job-status-group {
  display: flex; align-items: center; gap: 8px;
}
.job-retention { font-size: 11px; color: var(--text-secondary); }
.job-rerun {
  background: none; border: none; font-size: 16px; color: var(--text-secondary);
  cursor: pointer; padding: 2px 6px; border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.job-rerun:hover { background: var(--bg-alt); color: var(--blue); }

/* Stats cards */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px; margin-bottom: 20px;
}
.stat-card {
  padding: 16px; border-radius: var(--radius-md); border: 1px solid var(--border);
  background: var(--bg-card); text-align: center;
}
.stat-card .stat-value { font-size: 1.6rem; font-weight: 700; color: var(--blue); }
.stat-card .stat-label { font-size: 11px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.03em; margin-top: 4px; }
.stat-card .stat-sub { font-size: 11px; color: var(--text-secondary); margin-top: 2px; }

/* Stats top tools list */
.top-tools-list { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.top-tools-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 12px; border-radius: var(--radius-sm); background: var(--bg-alt);
  font-size: 13px;
}
.top-tools-list .tool-rank {
  width: 24px; height: 24px; border-radius: 9999px;
  background: var(--blue); color: #fff; display: inline-flex;
  align-items: center; justify-content: center; font-size: 11px; font-weight: 700;
}
.top-tools-list .tool-name { flex: 1; margin-left: 8px; color: var(--text); }
.top-tools-list .tool-count { font-size: 12px; color: var(--text-secondary); font-weight: 600; }

/* ─────────────── 10. API SECTION ─────────────── */
.api-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.endpoint-list { display: flex; flex-direction: column; gap: 4px; }
.endpoint-button {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
  padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg); text-align: left; transition: all var(--transition); color: var(--text);
}
.endpoint-button:hover { background: var(--bg-alt); }
.endpoint-button[aria-pressed="true"] { background: var(--blue-bg); border-color: var(--blue); }
.endpoint-button strong { font-size: 12px; font-family: var(--font-mono); }
.endpoint-button span { font-size: 11px; color: var(--text-secondary); }
.code-panel { padding: 16px; border-radius: var(--radius-md); background: var(--slate-800); color: #e2e8f0; font-size: 12px; font-family: var(--font-mono); white-space: pre-wrap; overflow: auto; max-height: 300px; }

/* ─────────────── 11. OFFLINE BANNER ─────────────── */
.offline-banner {
  display: none; position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%);
  padding: 10px 20px; border-radius: var(--radius-md); font-size: 13px; font-weight: 500;
  background: var(--yellow-bg); color: #92400e; border: 1px solid var(--yellow);
  box-shadow: var(--shadow-md); z-index: 9999; white-space: nowrap;
}
[data-theme="dark"] .offline-banner { color: #ffb74d; }
.offline-banner.visible { display: flex; align-items: center; gap: 8px; max-width: 90vw; text-align: center; white-space: normal; }

/* ─────────────── 12. TRUST ─────────────── */
.trust-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.trust-grid article { padding: 20px; border-radius: var(--radius-md); border: 1px solid var(--border); background: var(--bg-card); display: flex; flex-direction: column; gap: 6px; }
.trust-grid strong { font-size: 14px; color: var(--text); }
.trust-grid span { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

/* Architecture map */
.architecture-map { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.architecture-map div { padding: 16px; border-radius: var(--radius-md); background: var(--bg-alt); border: 1px solid var(--border); text-align: center; font-size: 13px; font-weight: 500; color: var(--text); }

/* ─────────────── 13. FOOTER ─────────────── */
.footer {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 20px; border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text-secondary); max-width: 1120px; margin: 0 auto;
}
.footer-links { display: flex; gap: 16px; }
.footer-links a { color: var(--text-secondary); transition: color var(--transition); }
.footer-links a:hover { color: var(--blue); }

/* ─────────────── 14. MODALS ─────────────── */
.premium-modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 10000; padding: 20px;
}
.premium-modal {
  background: var(--bg-card); border-radius: var(--radius-lg); padding: 32px;
  max-width: 400px; width: 100%; text-align: center;
  box-shadow: var(--shadow-lg);
}
.premium-modal h3 { margin: 0 0 12px; font-size: 1.3rem; color: var(--text); }
.premium-modal p { color: var(--text-secondary); margin: 0 0 20px; line-height: 1.5; }
.premium-modal-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.premium-modal-close {
  float: right; background: none; border: none; font-size: 24px;
  color: var(--text-secondary); cursor: pointer; line-height: 1;
}

/* ─────────────── 15. TOAST ─────────────── */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  padding: 12px 24px; border-radius: var(--radius-md); font-size: 13px;
  font-weight: 500; z-index: 10001; box-shadow: var(--shadow-lg);
  animation: toast-in 0.3s ease;
}
.toast-success { background: var(--green); color: #fff; }
.toast-error { background: var(--red); color: #fff; }
.toast-info { background: var(--slate-800); color: #fff; }
@keyframes toast-in {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ─────────────── 16. BANNER GRATUITOUSNESS ─────────────── */
.gratuitousness-banner {
  background: linear-gradient(135deg, var(--yellow), #f97316);
  color: #fff; text-align: center; padding: 10px 20px; font-size: 14px;
}
.gratuitousness-banner strong { font-weight: 700; }

/* ─────────────── 17. BUTTONS ─────────────── */
.primary-action {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 22px; border-radius: var(--radius-md);
  background: var(--blue); color: #fff !important; border: none;
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: all var(--transition);
}
.primary-action:hover { background: var(--blue-dark); text-decoration: none; }
.ghost-action {
  padding: 8px 16px; border-radius: var(--radius-md);
  background: transparent; border: 1px solid var(--border);
  font-size: 12px; font-weight: 500; color: var(--text-secondary);
  transition: all var(--transition);
}
.ghost-action:hover { background: var(--bg-alt); }

[data-theme="dark"] .primary-action:hover { background: var(--blue-dark); }
[data-theme="dark"] .ghost-action:hover { background: var(--bg-alt); }

/* ─────────────── 18. RESPONSIVE ─────────────── */
@media (max-width: 768px) {
  .nav a:not(.account-link) { display: none; }
  .dashboard-layout { grid-template-columns: 1fr; }
  .api-layout { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .topbar { padding: 10px 16px; }
  .workspace { padding: 40px 16px; }
  .section { padding: 40px 16px; }
  .settings-grid { grid-template-columns: 1fr; }
  .tool-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .footer { flex-direction: column; gap: 12px; text-align: center; }
  .hero-metrics { flex-wrap: wrap; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .tool-grid { grid-template-columns: 1fr; }
  .toolbar-controls { flex-direction: column; gap: 4px; }
}

/* ─────────────── 19. PRINT ─────────────── */
@media print {
  .topbar, .footer, .theme-toggle, .nav, .account-link { display: none !important; }
  body { background: #fff; color: #000; }
}