/* style.css — design tokens + component styles */

:root, [data-theme="light"] {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2.1rem, 1.3rem + 2.8vw, 3.75rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  /* Surfaces — cool mint/paper */
  --color-bg: #f5f8f6;
  --color-surface: #ffffff;
  --color-surface-2: #eef6f1;
  --color-surface-offset: #e4f0e9;
  --color-border: #d7e5dd;
  --color-divider: #e0ebe4;

  /* Text */
  --color-text: #0e2119;
  --color-text-muted: #4d6459;
  --color-text-faint: #8aa196;
  --color-text-inverse: #f4fbf7;

  /* Primary — earned-money emerald */
  --color-primary: #0e8f5c;
  --color-primary-hover: #0b7549;
  --color-primary-active: #085b39;
  --color-primary-highlight: #d6f0e2;

  /* Secondary — location blue (used sparingly, for geolocation UI) */
  --color-blue: #1c5cff;
  --color-blue-hover: #1548cc;
  --color-blue-highlight: #dbe6ff;

  /* Gold — opportunity highlight */
  --color-gold: #c9860f;
  --color-gold-highlight: #f4e4c4;

  --color-warning: #a2510a;
  --color-warning-highlight: #f2ddc7;
  --color-error: #b0304a;
  --color-error-highlight: #f5d6dd;
  --color-success: #0e8f5c;

  --radius-sm: 0.375rem; --radius-md: 0.625rem; --radius-lg: 1rem; --radius-xl: 1.5rem; --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 2px oklch(0.2 0.03 155 / 0.06);
  --shadow-md: 0 8px 24px oklch(0.2 0.03 155 / 0.1);
  --shadow-lg: 0 24px 56px oklch(0.2 0.03 155 / 0.16);

  --content-narrow: 640px;
  --content-default: 1120px;
  --content-wide: 1280px;

  --font-display: 'Cabinet Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'General Sans', 'Segoe UI', sans-serif;
}

[data-theme="dark"] {
  --color-bg: #081511;
  --color-surface: #0d1f18;
  --color-surface-2: #11271e;
  --color-surface-offset: #142f24;
  --color-border: #1f3b2f;
  --color-divider: #1a332a;
  --color-text: #e6f5ee;
  --color-text-muted: #9dc0ac;
  --color-text-faint: #648c76;
  --color-text-inverse: #08130f;

  --color-primary: #3ddb96;
  --color-primary-hover: #63e4ab;
  --color-primary-active: #8bedc0;
  --color-primary-highlight: #163a2c;

  --color-blue: #6d94ff;
  --color-blue-hover: #93b0ff;
  --color-blue-highlight: #1c2a4d;

  --color-gold: #e8ab3d;
  --color-gold-highlight: #3a2d16;

  --color-warning: #e08c46;
  --color-warning-highlight: #3d2b18;
  --color-error: #e2718a;
  --color-error-highlight: #3c1e26;
  --color-success: #3ddb96;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.38);
  --shadow-lg: 0 28px 64px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #081511; --color-surface: #0d1f18; --color-surface-2: #11271e; --color-surface-offset: #142f24;
    --color-border: #1f3b2f; --color-divider: #1a332a; --color-text: #e6f5ee; --color-text-muted: #9dc0ac;
    --color-text-faint: #648c76; --color-text-inverse: #08130f; --color-primary: #3ddb96; --color-primary-hover: #63e4ab;
    --color-primary-active: #8bedc0; --color-primary-highlight: #163a2c; --color-blue: #6d94ff; --color-blue-hover: #93b0ff;
    --color-blue-highlight: #1c2a4d; --color-gold: #e8ab3d; --color-gold-highlight: #3a2d16; --color-warning: #e08c46;
    --color-warning-highlight: #3d2b18; --color-error: #e2718a; --color-error-highlight: #3c1e26; --color-success: #3ddb96;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3); --shadow-md: 0 8px 24px oklch(0 0 0 / 0.38); --shadow-lg: 0 28px 64px oklch(0 0 0 / 0.5);
  }
}

body {
  background:
    radial-gradient(circle at 12% 0%, color-mix(in oklab, var(--color-primary) 14%, transparent), transparent 42%),
    linear-gradient(180deg, var(--color-bg), var(--color-surface-2) 32%, var(--color-bg));
}

.container { width: min(calc(100% - 2.5rem), var(--content-default)); margin-inline: auto; }
.container-wide { width: min(calc(100% - 2.5rem), var(--content-wide)); margin-inline: auto; }

a { color: inherit; text-decoration: none; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 80%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); min-height: 80px; }
.brand { display: flex; align-items: center; gap: var(--space-3); font-weight: 700; }
.brand-mark { width: 40px; height: 40px; color: var(--color-primary); flex: 0 0 auto; }
.brand-name { font-family: var(--font-display); font-size: var(--text-lg); letter-spacing: -0.02em; }
.nav-links { display: flex; align-items: center; gap: var(--space-6); font-size: var(--text-sm); color: var(--color-text-muted); }
.nav-links a:hover { color: var(--color-text); }
.nav-actions { display: flex; align-items: center; gap: var(--space-3); }
.icon-btn {
  width: 42px; height: 42px; border-radius: var(--radius-full); display: grid; place-items: center;
  background: var(--color-surface); border: 1px solid var(--color-border); color: var(--color-text); box-shadow: var(--shadow-sm);
}
.icon-btn:hover { border-color: color-mix(in oklab, var(--color-primary) 40%, var(--color-border)); }
.menu-toggle { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 48px; padding: 0.85rem 1.4rem; border-radius: var(--radius-full);
  font-size: var(--text-sm); font-weight: 600; white-space: nowrap;
}
.btn-primary { background: var(--color-primary); color: var(--color-text-inverse); box-shadow: var(--shadow-md); }
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary { background: var(--color-surface); color: var(--color-text); border: 1px solid var(--color-border); }
.btn-secondary:hover { border-color: color-mix(in oklab, var(--color-primary) 40%, var(--color-border)); }
.btn-lg { min-height: 58px; padding: 1.05rem 1.8rem; font-size: var(--text-base); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none !important; }
.btn-loading .btn-label { visibility: hidden; }
.spinner { display: none; width: 18px; height: 18px; border-radius: 50%; border: 2.5px solid color-mix(in oklab, currentColor 30%, transparent); border-top-color: currentColor; animation: spin 0.7s linear infinite; position: absolute; }
.btn-loading .spinner { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Hero ---------- */
.hero { padding: clamp(var(--space-12), 8vw, var(--space-20)) 0 var(--space-16); position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--space-10); align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2); padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; background: var(--color-primary-highlight); color: var(--color-primary);
}
.hero h1 {
  margin-top: var(--space-5); font-family: var(--font-display); font-weight: 700;
  font-size: var(--text-2xl); line-height: 1; letter-spacing: -0.03em; max-width: 14ch;
}
.hero h1 .accent { color: var(--color-primary); }
.hero-sub { margin-top: var(--space-5); max-width: 42ch; color: var(--color-text-muted); font-size: var(--text-lg); }

.locate-panel {
  margin-top: var(--space-8); padding: var(--space-6); border-radius: var(--radius-xl);
  background: var(--color-surface); border: 1px solid var(--color-border); box-shadow: var(--shadow-lg);
}
.locate-primary { display: flex; flex-direction: column; align-items: stretch; gap: var(--space-3); }
.locate-primary .btn { position: relative; }
.locate-hint { font-size: var(--text-xs); color: var(--color-text-faint); text-align: center; }
.locate-divider { display: flex; align-items: center; gap: var(--space-3); margin: var(--space-5) 0; color: var(--color-text-faint); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.06em; }
.locate-divider::before, .locate-divider::after { content: ""; flex: 1; height: 1px; background: var(--color-divider); }
.zip-row { display: flex; gap: var(--space-3); }
.zip-row input {
  flex: 1; min-height: 48px; padding: 0 var(--space-4); border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-surface-2); color: var(--color-text); font-size: var(--text-base);
}
.zip-row input:focus-visible { border-color: var(--color-primary); }
.locate-status { margin-top: var(--space-3); font-size: var(--text-sm); min-height: 1.4em; }
.locate-status[data-state="error"] { color: var(--color-error); }
.locate-status[data-state="success"] { color: var(--color-primary); }

.hero-art { display: grid; place-items: center; }

/* ---------- Qualifier quiz CTA ---------- */
.quiz-cta { margin-top: var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); }
.quiz-cta .btn { gap: var(--space-2); }
.btn-label-icon { width: 20px; height: 20px; flex: 0 0 auto; }

/* ---------- Location resolved banner ---------- */
.location-banner {
  display: none; align-items: center; justify-content: space-between; gap: var(--space-4);
  margin-top: var(--space-8); padding: var(--space-4) var(--space-5); border-radius: var(--radius-lg);
  background: var(--color-primary-highlight); border: 1px solid color-mix(in oklab, var(--color-primary) 30%, var(--color-border));
}
.location-banner[data-active="true"] { display: flex; }
.location-banner-text { display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-sm); font-weight: 600; }
.location-banner-text svg { width: 20px; height: 20px; color: var(--color-primary); flex: 0 0 auto; }
.location-banner .btn { min-height: 40px; padding: 0.55rem 1rem; }

/* ---------- Opportunity filters ---------- */
.filter-bar {
  display: flex; flex-wrap: wrap; align-items: flex-end; gap: var(--space-4);
  margin-bottom: var(--space-6); padding: var(--space-5); border-radius: var(--radius-lg);
  background: var(--color-surface); border: 1px solid var(--color-border);
}
.filter-group { display: flex; flex-direction: column; gap: var(--space-2); min-width: 180px; flex: 1 1 180px; }
.filter-group label { font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-faint); }
.filter-group select {
  min-height: 46px; padding: 0 var(--space-4); border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-surface-2); color: var(--color-text);
  font-size: var(--text-sm); font-weight: 600; font-family: inherit; cursor: pointer;
}
.filter-group select:focus-visible { border-color: var(--color-primary); }
#filterClearBtn { min-height: 46px; padding: 0 1.2rem; flex: 0 0 auto; align-self: flex-end; }
.filter-empty {
  display: none; text-align: center; padding: var(--space-8) var(--space-5); margin-bottom: var(--space-6);
  border-radius: var(--radius-lg); border: 1px dashed var(--color-border); color: var(--color-text-faint); font-size: var(--text-sm);
}
.filter-empty[data-active="true"] { display: block; }
@media (max-width: 640px) {
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-group { min-width: 0; flex: 0 0 auto; }
  #filterClearBtn { align-self: stretch; }
}

/* ---------- Quiz results banner ---------- */
.quiz-banner {
  display: none; align-items: center; justify-content: space-between; gap: var(--space-4);
  margin-bottom: var(--space-8); padding: var(--space-4) var(--space-5); border-radius: var(--radius-lg);
  background: var(--color-primary-highlight); border: 1px solid color-mix(in oklab, var(--color-primary) 30%, var(--color-border));
}
.quiz-banner[data-active="true"] { display: flex; }
.quiz-banner-text { display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-sm); font-weight: 600; }
.quiz-banner-text svg { width: 20px; height: 20px; color: var(--color-primary); flex: 0 0 auto; }
.quiz-banner-actions { display: flex; gap: var(--space-2); flex: 0 0 auto; }
.quiz-banner-actions .btn { min-height: 40px; padding: 0.55rem 1rem; }

/* ---------- Qualifier quiz modal ---------- */
.quiz-modal {
  position: fixed; inset: 0; margin: auto;
  width: min(640px, calc(100% - 2.5rem)); max-height: min(760px, calc(100vh - 4rem)); overflow: auto;
  border: none; border-radius: var(--radius-xl); padding: var(--space-7);
  background: var(--color-surface); color: var(--color-text); box-shadow: var(--shadow-lg);
}
.quiz-modal::backdrop { background: color-mix(in oklab, #05130c 70%, transparent); backdrop-filter: blur(2px); }
.quiz-modal[open] { animation: quiz-pop 200ms cubic-bezier(0.16, 1, 0.3, 1); }
@keyframes quiz-pop { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
.quiz-head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); }
.quiz-head h2 { font-family: var(--font-display); font-size: var(--text-lg); letter-spacing: -0.02em; max-width: 32ch; }
.quiz-sub { margin-top: var(--space-3); color: var(--color-text-muted); font-size: var(--text-sm); }
.quiz-grid { margin-top: var(--space-6); display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--space-4); }
.quiz-field { display: flex; flex-direction: column; gap: var(--space-2); font-size: var(--text-sm); font-weight: 600; color: var(--color-text); }
.quiz-field em { font-weight: 400; font-style: normal; color: var(--color-text-faint); font-size: var(--text-xs); }
.quiz-field select {
  min-height: 48px; padding: 0 var(--space-4); border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-surface-2); color: var(--color-text);
  font-size: var(--text-sm); font-weight: 500;
}
.quiz-field select:focus-visible { border-color: var(--color-primary); }
.quiz-actions { margin-top: var(--space-7); display: flex; justify-content: flex-end; gap: var(--space-3); }

/* ---------- Category match badge (post-quiz) ---------- */
.category-match-badge {
  margin-top: var(--space-2); display: inline-flex; align-self: flex-start; padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 700;
}
.category-match-badge[data-match="true"] { background: var(--color-primary-highlight); color: var(--color-primary); }
.category-match-badge[data-match="false"] { background: var(--color-surface-2); color: var(--color-text-faint); }
.category-card[data-match="false"] { opacity: 0.7; }

/* ---------- Sections ---------- */
section { padding: clamp(var(--space-12), 7vw, var(--space-24)) 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-6); margin-bottom: var(--space-10); }
.section-head h2 { font-family: var(--font-display); font-size: var(--text-xl); letter-spacing: -0.03em; }
.section-head p { max-width: 46ch; color: var(--color-text-muted); }

/* ---------- Category cards ---------- */
.categories-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--space-5); }
.category-card {
  padding: var(--space-6); background: var(--color-surface); border-radius: var(--radius-lg);
  border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.category-card:hover { border-color: color-mix(in oklab, var(--color-primary) 30%, var(--color-border)); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.category-icon {
  width: 48px; height: 48px; border-radius: var(--radius-md); display: grid; place-items: center;
  background: var(--color-primary-highlight); color: var(--color-primary); flex: 0 0 auto;
}
.category-card h3 { margin-top: var(--space-4); font-family: var(--font-display); font-size: var(--text-lg); letter-spacing: -0.02em; }
.category-meta { margin-top: var(--space-2); display: flex; flex-wrap: wrap; gap: var(--space-2); }
.category-pay { display: inline-flex; align-self: flex-start; padding: 0.3rem 0.7rem; border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 700; background: var(--color-gold-highlight); color: var(--color-gold); }
.category-speed { display: inline-flex; align-items: center; gap: 0.3rem; align-self: flex-start; padding: 0.3rem 0.7rem; border-radius: var(--radius-full); font-size: var(--text-xs); font-weight: 700; background: var(--color-blue-highlight); color: var(--color-blue); }
.category-speed svg { width: 12px; height: 12px; flex: 0 0 auto; }
.category-card p { margin-top: var(--space-3); color: var(--color-text-muted); font-size: var(--text-sm); flex: 1; }
.category-links { margin-top: var(--space-5); display: flex; flex-direction: column; gap: var(--space-2); }
.category-links a {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-2);
  padding: 0.65rem 0.9rem; border-radius: var(--radius-md); background: var(--color-surface-2);
  font-size: var(--text-sm); font-weight: 600; color: var(--color-text);
}
.category-links a:hover { background: var(--color-primary-highlight); color: var(--color-primary); }
.category-links svg { width: 15px; height: 15px; flex: 0 0 auto; }
.category-note { margin-top: var(--space-2); font-size: var(--text-xs); color: var(--color-text-faint); }

/* ---------- How it works ---------- */
.steps-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--space-5); }
.step-card { padding: var(--space-6); background: var(--color-surface); border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
.step-number { font-size: var(--text-xs); font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-primary); }
.step-card h3 { margin-top: var(--space-3); font-family: var(--font-display); font-size: var(--text-lg); letter-spacing: -0.02em; }
.step-card p { margin-top: var(--space-3); color: var(--color-text-muted); font-size: var(--text-sm); }

/* ---------- Trust split ---------- */
.split-band { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: var(--space-6); align-items: stretch; }
.band-panel { padding: clamp(var(--space-6), 4vw, var(--space-10)); border-radius: var(--radius-xl); }
.band-panel.dark { background: linear-gradient(165deg, #0c2119, #103a29); color: #f4fbf7; }
.band-panel.dark h2 { color: #f4fbf7; }
.band-panel.dark .eyebrow { background: rgba(255,255,255,0.14); color: #eafff2; }
.band-panel.light { background: var(--color-surface); border: 1px solid var(--color-border); }
.band-panel h2 { margin-top: var(--space-4); font-family: var(--font-display); font-size: var(--text-xl); letter-spacing: -0.03em; }
.band-panel p { margin-top: var(--space-4); color: color-mix(in oklab, currentColor 78%, transparent); }
.checklist { list-style: none; display: grid; gap: var(--space-3); margin-top: var(--space-6); }
.checklist li { display: flex; gap: var(--space-3); align-items: flex-start; font-size: var(--text-sm); }
.check { width: 22px; height: 22px; flex: 0 0 auto; border-radius: var(--radius-full); display: grid; place-items: center; background: rgba(255,255,255,0.16); margin-top: 0.1rem; }
.check svg { width: 13px; height: 13px; }
.faq-list { margin-top: var(--space-6); display: grid; gap: var(--space-4); }
.faq-item { padding-bottom: var(--space-4); border-bottom: 1px solid var(--color-divider); }
.faq-item:last-child { border-bottom: none; padding-bottom: 0; }
.faq-item h3 { font-size: var(--text-base); font-weight: 700; }
.faq-item p { margin-top: var(--space-2); color: var(--color-text-muted); font-size: var(--text-sm); }

/* ---------- Footer ---------- */
.footer { padding: var(--space-16) 0 var(--space-10); border-top: 1px solid var(--color-divider); }
.footer-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-10); }
.footer-note { margin-top: var(--space-4); color: var(--color-text-faint); font-size: var(--text-sm); max-width: 52ch; }
.footer-legal { list-style: none; display: grid; gap: var(--space-4); }
.footer-legal h3 { font-size: var(--text-sm); font-weight: 700; }
.footer-legal p { margin-top: var(--space-1); color: var(--color-text-muted); font-size: var(--text-xs); }
.footer-bottom { margin-top: var(--space-10); padding-top: var(--space-6); border-top: 1px solid var(--color-divider); display: flex; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; font-size: var(--text-xs); color: var(--color-text-faint); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .nav-links { display: none; position: absolute; left: 1.25rem; right: 1.25rem; top: 80px; flex-direction: column; align-items: flex-start; gap: var(--space-4); padding: var(--space-5); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
  .nav-links[data-open="true"] { display: flex; }
  .menu-toggle { display: grid; }
  .hero-grid, .split-band, .footer-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 200px; margin-inline: auto; }
  .categories-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .steps-grid { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .quiz-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav { min-height: 72px; }
  .categories-grid { grid-template-columns: 1fr; }
  .zip-row { flex-direction: column; }
  .btn-block-mobile { width: 100%; }
  .hero h1 { max-width: none; }
  .location-banner { flex-direction: column; align-items: flex-start; }
  .quiz-banner { flex-direction: column; align-items: flex-start; }
  .quiz-banner-actions { width: 100%; }
  .quiz-banner-actions .btn { flex: 1; }
  .quiz-modal { padding: var(--space-5); width: calc(100% - 1.5rem); }
  .quiz-actions { flex-direction: column-reverse; }
  .quiz-actions .btn { width: 100%; }
}

/* ---------------- Monetization: ad slots ----------------
 * Empty ad slots collapse to nothing so the layout looks identical
 * until a real AdSense unit is configured in app.js (AD_CONFIG).
 */
.ad-slot:empty { display: none; }
.ad-slot-banner {
  width: 100%;
  min-height: 90px;
  margin-block: var(--space-4, 1rem) 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.category-card.ad-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  background: color-mix(in oklab, var(--color-primary) 5%, var(--color-surface));
  border-style: dashed;
}
.category-card.ad-card:empty,
.category-card.ad-card:has(.adsbygoogle:empty) { display: none; }

/* ---------- Accounts: sign up / log in / dashboard / save button ---------- */
[hidden] { display: none !important; }
.btn-sm { min-height: 40px; padding: 0.55rem 1.1rem; font-size: var(--text-xs); }
.category-card { position: relative; }
.save-btn {
  position: absolute; top: var(--space-5); right: var(--space-5);
  display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.35rem 0.7rem;
  border-radius: var(--radius-full); border: 1px solid var(--color-border);
  background: var(--color-surface-2); color: var(--color-text-muted);
  font-size: var(--text-xs); font-weight: 700; cursor: pointer;
  transition: border-color var(--transition-interactive), color var(--transition-interactive), background var(--transition-interactive);
}
.save-btn:hover { border-color: color-mix(in oklab, var(--color-primary) 40%, var(--color-border)); color: var(--color-text); }
.save-btn[data-saved="true"] { background: var(--color-primary-highlight); color: var(--color-primary); border-color: color-mix(in oklab, var(--color-primary) 40%, var(--color-border)); }
.save-btn svg { width: 14px; height: 14px; flex: 0 0 auto; }

.auth-tabs { margin-top: var(--space-6); display: flex; gap: var(--space-2); border-bottom: 1px solid var(--color-divider); }
.auth-tab {
  padding: 0.6rem 0.2rem; margin-bottom: -1px; border-bottom: 2px solid transparent;
  font-size: var(--text-sm); font-weight: 700; color: var(--color-text-faint); background: none; cursor: pointer;
}
.auth-tab.is-active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.auth-form { grid-template-columns: 1fr; margin-top: var(--space-5); }
.auth-form input[type="email"], .auth-form input[type="password"] {
  min-height: 48px; padding: 0 var(--space-4); border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-surface-2); color: var(--color-text); font-size: var(--text-base);
}
.auth-form input:focus-visible { border-color: var(--color-primary); }
.auth-checkbox { flex-direction: row; align-items: center; gap: var(--space-2); font-weight: 500; }
.auth-checkbox input { width: 18px; height: 18px; flex: 0 0 auto; }
.auth-error { margin-top: var(--space-2); color: var(--color-error); font-size: var(--text-sm); font-weight: 600; }

.dashboard-modal { width: min(560px, calc(100% - 2.5rem)); }
.dashboard-subhead { margin-top: var(--space-7); font-family: var(--font-display); font-size: var(--text-base); letter-spacing: -0.02em; }
.dashboard-progress-list { margin-top: var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); }
.dashboard-empty { color: var(--color-text-faint); font-size: var(--text-sm); }
.dashboard-progress-item {
  display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md); background: var(--color-surface-2);
}
.dashboard-progress-item span:first-child { flex: 1; font-size: var(--text-sm); font-weight: 600; }
.dashboard-status-select {
  min-height: 38px; padding: 0 var(--space-3); border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text);
  font-size: var(--text-xs); font-weight: 600;
}
.dashboard-remove-btn { width: 34px; height: 34px; flex: 0 0 auto; }

@media (max-width: 640px) {
  .save-btn span { display: none; }
  .save-btn { padding: 0.45rem; top: var(--space-4); right: var(--space-4); }
  .auth-modal, .dashboard-modal { padding: var(--space-5); width: calc(100% - 1.5rem); }
}
@media (max-width: 640px) {
  .nav-actions { gap: var(--space-2); }
  .auth-nav-btn {
    width: 42px; height: 42px; min-height: 42px; padding: 0; border-radius: var(--radius-full);
    display: grid; place-items: center;
  }
  .auth-nav-btn span { display: none; }
  .auth-nav-btn svg { width: 18px; height: 18px; }
}