@import "tokens.css";
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&family=Source+Sans+3:wght@300;400;500;600;700&display=swap");

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-surface-page);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-3);
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
}

h1 { font-size: var(--fs-h1); font-weight: 700; }
h2 { font-size: var(--fs-h2); font-weight: 700; }
h3 { font-size: var(--fs-h3); font-weight: 600; }
h4 { font-size: var(--fs-h4); font-weight: 600; }

.display-headline {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: var(--fs-display);
  line-height: var(--lh-tight);
  color: var(--color-brand-primary);
}

a { color: var(--color-text-link); text-decoration: none; }
a:hover { color: var(--color-text-link-hover); text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- Layout shells ---------- */

.app-shell {
  display: grid;
  grid-template-columns: var(--layout-sidebar-w) 1fr;
  grid-template-rows: var(--layout-topbar-h) 1fr;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main";
  min-height: 100vh;
  background: var(--color-surface-page);
}

.app-topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  background: var(--color-surface-card);
  border-bottom: 1px solid var(--color-border-default);
  position: sticky;
  top: 0;
  z-index: 5;
}
.app-topbar__title { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.app-topbar__actions { display: flex; gap: var(--space-3); align-items: center; }

.app-sidebar {
  grid-area: sidebar;
  background: var(--color-brand-primary);
  color: var(--color-text-on-dark);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.app-sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.app-sidebar__brand-mark {
  width: 40px; height: 40px; border-radius: var(--radius-md);
  background: var(--color-brand-accent);
  display: grid; place-items: center;
  color: var(--color-brand-on-accent);
  font-family: var(--font-display);
  font-weight: 900;
}
.app-sidebar__brand-text {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  line-height: 1.2;
}
.app-sidebar__brand-text small { display: block; font-weight: 500; letter-spacing: 0.12em; opacity: 0.85; font-size: 0.65rem; margin-top: 2px; }

.app-sidebar__nav { display: flex; flex-direction: column; gap: var(--space-1); }
.app-sidebar__nav a {
  color: rgba(255,255,255,0.88);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 500;
  display: flex; align-items: center; gap: var(--space-3);
  text-decoration: none;
  transition: background var(--motion-base) var(--ease-standard), color var(--motion-base) var(--ease-standard);
}
.app-sidebar__nav a:hover { background: rgba(255,255,255,0.08); color: #fff; text-decoration: none; }
.app-sidebar__nav a.is-active {
  background: var(--color-brand-accent);
  color: var(--color-brand-on-accent);
}
.app-sidebar__section-title {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  padding: 0 var(--space-4);
  margin-top: var(--space-4);
}
.app-sidebar__footer {
  margin-top: auto;
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.75);
}

.app-main {
  grid-area: main;
  padding: var(--space-6) var(--space-7);
  overflow: auto;
}
.app-main__inner { max-width: var(--layout-max-content); margin: 0 auto; }

@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-areas: "topbar" "sidebar" "main";
    grid-template-rows: var(--layout-topbar-h) auto 1fr;
  }
  .app-sidebar { flex-direction: row; overflow-x: auto; padding: var(--space-3) var(--space-4); gap: var(--space-3); border-bottom: 1px solid rgba(255,255,255,0.12); }
  .app-sidebar__brand { border-bottom: none; padding-bottom: 0; }
  .app-sidebar__nav { flex-direction: row; gap: var(--space-2); }
  .app-sidebar__section-title, .app-sidebar__footer { display: none; }
  .app-main { padding: var(--space-5); }
}

/* ---------- Auth shell ---------- */
.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--color-surface-page);
}
.auth-shell__hero {
  background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--_brand-midnight-900) 100%);
  color: var(--color-text-on-dark);
  padding: var(--space-10) var(--space-9);
  display: flex; flex-direction: column; justify-content: space-between;
  position: relative; overflow: hidden;
}
.auth-shell__hero::after {
  content: ""; position: absolute; inset: -30% -20% auto auto;
  width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle at center, rgba(179, 161, 37, 0.35), transparent 65%);
}
.auth-shell__hero-inner { position: relative; max-width: 440px; }
.auth-shell__hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  color: #fff;
  font-size: clamp(2rem, 1.2rem + 2.4vw, 2.8rem);
  line-height: 1.1;
  margin-bottom: var(--space-5);
}
.auth-shell__hero p { color: rgba(255,255,255,0.8); font-size: 1.05rem; }
.auth-shell__hero-features { display: grid; gap: var(--space-3); margin-top: var(--space-7); }
.auth-shell__hero-features li { list-style: none; padding-left: 28px; position: relative; color: rgba(255,255,255,0.9); }
.auth-shell__hero-features li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--color-brand-accent); font-weight: 700; }
.auth-shell__form { padding: var(--space-10) var(--space-9); display: flex; align-items: center; justify-content: center; }
.auth-shell__form-inner { width: 100%; max-width: 420px; }
@media (max-width: 960px) { .auth-shell { grid-template-columns: 1fr; } .auth-shell__hero { display: none; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-body);
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--motion-base) var(--ease-standard), border-color var(--motion-base) var(--ease-standard), transform var(--motion-fast) var(--ease-standard);
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn[disabled], .btn.is-disabled { opacity: 0.55; cursor: not-allowed; }

.btn--primary { background: var(--color-brand-primary); color: var(--color-brand-on-primary); }
.btn--primary:hover { background: var(--color-brand-primary-hover); color: #fff; }

.btn--accent { background: var(--color-brand-accent); color: var(--color-brand-on-accent); }
.btn--accent:hover { background: var(--color-brand-accent-hover); color: #fff; }

.btn--secondary { background: var(--color-surface-card); color: var(--color-brand-primary); border-color: var(--color-border-default); }
.btn--secondary:hover { background: var(--color-surface-neutral-soft); }

.btn--ghost { background: transparent; color: var(--color-brand-primary); }
.btn--ghost:hover { background: var(--color-brand-primary-soft); }

.btn--danger { background: var(--color-danger); color: #fff; }
.btn--danger:hover { background: #8f1d2d; }

.btn--sm { padding: 6px 12px; font-size: var(--fs-sm); }
.btn--block { width: 100%; }

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.card--flush { padding: 0; overflow: hidden; }
.card__header {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border-default);
}
.card__title { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-h3); margin: 0; }
.card__body { padding: var(--space-6); }

/* ---------- Forms ---------- */
.form-field { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }
.form-label { font-weight: 600; font-size: var(--fs-sm); color: var(--color-text-primary); }
.form-hint { font-size: var(--fs-xs); color: var(--color-text-muted); }
.form-error { font-size: var(--fs-xs); color: var(--color-danger); }

.input, .textarea, .select {
  width: 100%;
  padding: 10px 12px;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text-primary);
  transition: border-color var(--motion-fast) var(--ease-standard), box-shadow var(--motion-fast) var(--ease-standard);
}
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: var(--shadow-ring);
}
.textarea { min-height: 120px; line-height: 1.5; resize: vertical; }

.checkbox-group, .radio-group { display: grid; gap: var(--space-2); }
.checkbox-group label, .radio-group label {
  display: flex; align-items: center; gap: var(--space-2);
  padding: 10px 12px; border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md); cursor: pointer;
  background: var(--color-surface-card);
}
.checkbox-group input:checked + span, .radio-group input:checked + span { color: var(--color-brand-primary); font-weight: 600; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--color-border-default); }
.table { width: 100%; border-collapse: collapse; background: var(--color-surface-card); }
.table th, .table td { padding: var(--space-3) var(--space-4); text-align: left; font-size: var(--fs-sm); vertical-align: top; }
.table th {
  background: var(--color-surface-neutral-soft);
  color: var(--color-brand-primary);
  font-weight: 700;
  border-bottom: 1px solid var(--color-border-default);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: var(--fs-xs);
}
.table tbody tr + tr td { border-top: 1px solid var(--color-border-default); }
.table tbody tr:hover { background: var(--color-surface-neutral-faint); }

/* ---------- Badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: var(--radius-pill);
  font-size: var(--fs-xs); font-weight: 600;
  background: var(--color-surface-muted); color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.badge--primary { background: var(--color-brand-primary-soft); color: var(--color-brand-primary); }
.badge--accent  { background: var(--color-brand-accent-soft); color: var(--color-brand-accent-hover); }
.badge--draft   { background: var(--color-warn-soft); color: var(--color-warn); }
.badge--approved{ background: var(--color-success-soft); color: var(--color-success); }
.badge--archived{ background: var(--color-surface-muted); color: var(--color-text-muted); }

/* ---------- Alerts ---------- */
.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-5);
  border: 1px solid transparent;
}
.alert--success { background: var(--color-success-soft); color: var(--color-success); border-color: #c5e3d1; }
.alert--warn    { background: var(--color-warn-soft); color: var(--color-warn); }
.alert--danger  { background: var(--color-danger-soft); color: var(--color-danger); }
.alert--info    { background: var(--color-info-soft); color: var(--color-info); }

/* ---------- Page header ---------- */
.page-header {
  display: flex; flex-direction: column; gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.page-header__actions { display: flex; gap: var(--space-3); margin-top: var(--space-3); flex-wrap: wrap; }
.page-header__eyebrow {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  color: var(--color-brand-accent-hover);
  font-weight: 700;
}
.page-header h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-h1);
  color: var(--color-brand-primary);
  margin: 0;
}
.page-header p { margin: 0; color: var(--color-text-secondary); max-width: 720px; }

/* ---------- Stats / metrics ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.stat {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-default);
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: var(--space-2);
}
.stat__label { font-size: var(--fs-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-muted); font-weight: 600; }
.stat__value { font-family: var(--font-display); font-weight: 800; font-size: 2rem; color: var(--color-brand-primary); line-height: 1; }
.stat__hint { font-size: var(--fs-sm); color: var(--color-text-secondary); }

/* ---------- Quiz ---------- */
.quiz-layout { display: grid; grid-template-columns: 240px 1fr; gap: var(--space-6); }
.quiz-steps { position: sticky; top: calc(var(--layout-topbar-h) + var(--space-4)); align-self: start; }
.quiz-steps ol { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.quiz-steps li {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  color: var(--color-text-secondary);
}
.quiz-steps li.is-current { border-color: var(--color-brand-primary); color: var(--color-brand-primary); font-weight: 700; }
.quiz-section { display: none; }
.quiz-section.is-active { display: block; animation: fadeIn var(--motion-slow) var(--ease-standard); }
.quiz-section h2 { color: var(--color-brand-primary); }
.quiz-nav { display: flex; justify-content: space-between; margin-top: var(--space-6); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 860px) { .quiz-layout { grid-template-columns: 1fr; } .quiz-steps { position: static; } }

/* ---------- Story detail ---------- */
.story-grid { display: grid; grid-template-columns: 2fr 1fr; gap: var(--space-6); }
@media (max-width: 960px) { .story-grid { grid-template-columns: 1fr; } }
.story-body { white-space: pre-wrap; font-family: var(--font-body); line-height: 1.65; }
.story-body h1, .story-body h2, .story-body h3 { margin-top: var(--space-6); color: var(--color-brand-primary); }

.meta-list { display: grid; gap: var(--space-3); margin: 0; padding: 0; list-style: none; }
.meta-list dt { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-muted); }
.meta-list dd { margin: 2px 0 0; font-weight: 600; color: var(--color-text-primary); }

/* ---------- Welcome hero ---------- */
.welcome-hero {
  min-height: 100vh;
  background: linear-gradient(160deg, var(--color-brand-primary) 0%, var(--_brand-midnight-900) 100%);
  color: var(--color-text-on-dark);
  padding: var(--space-10) var(--space-8);
  display: flex; flex-direction: column;
}
.welcome-topnav { display: flex; align-items: center; justify-content: space-between; }
.welcome-topnav__brand { display: flex; align-items: center; gap: var(--space-3); color: #fff; }
.welcome-topnav__brand strong { font-family: var(--font-display); font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.welcome-content { margin: auto 0; display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--space-9); align-items: center; }
.welcome-content h1 {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: clamp(2.5rem, 1.5rem + 3vw, 4rem);
  letter-spacing: 0.02em;
  line-height: 1.05;
  color: #fff;
}
.welcome-content p { color: rgba(255,255,255,0.85); font-size: 1.15rem; max-width: 560px; }
.welcome-highlights { display: grid; gap: var(--space-4); }
.welcome-highlights .card { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.18); color: #fff; }
.welcome-highlights .card h3 { color: #fff; }
.welcome-highlights .card p { color: rgba(255,255,255,0.82); }
@media (max-width: 960px) { .welcome-content { grid-template-columns: 1fr; } }

/* ---------- Utility ---------- */
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-gap-2 { display: flex; gap: var(--space-2); }
.flex-gap-3 { display: flex; gap: var(--space-3); }
.flex-col { display: flex; flex-direction: column; }
.muted { color: var(--color-text-muted); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.text-right { text-align: right; }
.hidden { display: none !important; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--color-brand-accent); color: var(--color-brand-on-accent);
  display: inline-grid; place-items: center; font-weight: 700;
}