/* ============================================================================
   MINDEF Concours Platform — LAYOUT
   Public header, dashboard shell (sidebar + topbar), footer, hero, auth split.
   These blocks are rendered by assets/js/layout.js into page placeholders.
   ============================================================================ */

/* ---------------------------------------------------------------------------
   BRAND LOCKUP (logo + wordmark) — used across header, footer, sidebar
   --------------------------------------------------------------------------- */
.brand { display: inline-flex; align-items: center; gap: var(--space-3); }
.brand__logo {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 50%;
  background: #fff;
  padding: 2px;
  box-shadow: var(--shadow-xs);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__title {
  font-family: var(--font-heading);
  font-weight: var(--fw-black);
  font-size: var(--fs-md);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
}
.brand__sub {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--color-ink-muted);
  font-weight: var(--fw-semibold);
}
.brand--on-dark .brand__title { color: #fff; }
.brand--on-dark .brand__sub { color: var(--color-chrome-ink-muted); }

/* ---------------------------------------------------------------------------
   PUBLIC HEADER
   --------------------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: var(--z-header);
  background: rgba(255,255,255,0.9);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__ribbon { height: 3px; background: var(--ribbon); }
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-5);
  height: var(--topbar-h);
}
.nav { display: flex; align-items: center; gap: var(--space-1); }
.nav__link {
  padding: var(--space-2) var(--space-3);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-ink-soft);
  border-radius: var(--radius-sm);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav__link:hover { color: var(--color-primary); background: var(--color-primary-soft); }
.nav__link.is-active { color: var(--color-primary); font-weight: var(--fw-semibold); }
.header-actions { display: flex; align-items: center; gap: var(--space-3); }

/* Language toggle */
.lang-toggle {
  display: inline-flex; align-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-full);
  overflow: hidden;
  font-size: var(--fs-xs); font-weight: var(--fw-bold);
}
.lang-toggle button {
  padding: 0.3rem 0.6rem; color: var(--color-ink-muted);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.lang-toggle button.is-active { background: var(--color-primary); color: #fff; }
.lang-toggle--on-dark { border-color: rgba(255,255,255,0.24); }
.lang-toggle--on-dark button { color: var(--color-chrome-ink-muted); }

/* Mobile menu button */
.menu-btn { display: none; width: 42px; height: 42px; border-radius: var(--radius-sm); color: var(--color-ink); }
.menu-btn:hover { background: var(--color-surface-2); }

@media (max-width: 900px) {
  .nav {
    position: fixed; inset: var(--topbar-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    transition: transform var(--dur-slow) var(--ease);
    z-index: var(--z-header);
  }
  .nav.is-open { transform: translateY(0); }
  .nav__link { padding: var(--space-3); font-size: var(--fs-md); }
  .menu-btn { display: grid; place-items: center; }
  .header-actions .btn--desktop { display: none; }
}

/* ---------------------------------------------------------------------------
   HERO (landing)
   --------------------------------------------------------------------------- */
.hero {
  position: relative;
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(0,122,94,0.10), transparent 60%),
    radial-gradient(800px 400px at 0% 110%, rgba(206,17,38,0.06), transparent 55%),
    var(--color-surface);
  overflow: hidden;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-8);
  align-items: center;
  padding-block: var(--space-10);
}
.hero__title {
  font-size: var(--fs-5xl);
  line-height: 1.03;
  letter-spacing: -0.03em;
}
.hero__title .accent { color: var(--color-primary); }
.hero__lead { max-width: 46ch; margin-top: var(--space-5); }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }
.hero__trust { display: flex; flex-wrap: wrap; gap: var(--space-5); margin-top: var(--space-7); }
.hero__trust-item { display: flex; flex-direction: column; }
.hero__trust-item strong { font-family: var(--font-heading); font-size: var(--fs-2xl); font-weight: var(--fw-black); color: var(--color-ink); }
.hero__trust-item span { font-size: var(--fs-xs); color: var(--color-ink-muted); }

.hero__panel {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
}
.hero__panel-emblem {
  position: absolute; top: -34px; left: 50%; transform: translateX(-50%);
  width: 68px; height: 68px; border-radius: 50%; background: #fff;
  padding: 4px; box-shadow: var(--shadow);
}

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: var(--space-7); }
  .hero__title { font-size: var(--fs-4xl); }
  .hero__panel { max-width: 460px; margin-inline: auto; }
}
@media (max-width: 560px) {
  .hero__title { font-size: var(--fs-3xl); }
}

/* ---------------------------------------------------------------------------
   SECTION HEADINGS
   --------------------------------------------------------------------------- */
.section-head { max-width: 620px; margin-bottom: var(--space-7); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-top: var(--space-2); }
.section-head p { margin-top: var(--space-3); }

/* ---------------------------------------------------------------------------
   FOOTER
   --------------------------------------------------------------------------- */
.site-footer { background: var(--color-chrome); color: var(--color-chrome-ink); }
.site-footer__ribbon { height: 3px; background: var(--ribbon); }
.site-footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-6);
  padding-block: var(--space-8);
}
.site-footer h4 {
  color: #fff; font-size: var(--fs-sm); text-transform: uppercase;
  letter-spacing: var(--tracking-wide); margin-bottom: var(--space-4);
}
.site-footer a { color: var(--color-chrome-ink); font-size: var(--fs-sm); }
.site-footer a:hover { color: #fff; }
.site-footer li + li { margin-top: var(--space-2); }
.site-footer p { color: var(--color-chrome-ink-muted); font-size: var(--fs-sm); }
.site-footer__bottom {
  border-top: 1px solid var(--color-chrome-border);
  padding-block: var(--space-4);
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--fs-xs); color: var(--color-chrome-ink-muted);
}
@media (max-width: 780px) {
  .site-footer__top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .site-footer__top { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------------------
   AUTH SPLIT LAYOUT (login / register)
   --------------------------------------------------------------------------- */
.auth { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth__aside {
  position: relative;
  background:
    radial-gradient(600px 400px at 80% 10%, rgba(255,255,255,0.08), transparent 60%),
    linear-gradient(160deg, var(--c-green-800), var(--c-green-900));
  color: #fff;
  padding: var(--space-9);
  display: flex; flex-direction: column; justify-content: space-between;
  overflow: hidden;
}
.auth__aside::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: var(--ribbon);
}
.auth__aside-emblem { width: 84px; height: 84px; border-radius: 50%; background: #fff; padding: 5px; box-shadow: var(--shadow); }
.auth__quote { font-family: var(--font-heading); font-size: var(--fs-2xl); font-weight: var(--fw-bold); line-height: 1.25; max-width: 22ch; }
.auth__aside p { color: rgba(255,255,255,0.72); }
.auth__points { display: grid; gap: var(--space-3); }
.auth__point { display: flex; align-items: center; gap: var(--space-3); font-size: var(--fs-sm); color: rgba(255,255,255,0.88); }
.auth__point svg { width: 20px; height: 20px; color: var(--color-highlight); flex-shrink: 0; }

.auth__main {
  display: flex; flex-direction: column;
  padding: var(--space-6) var(--space-6) var(--space-8);
  overflow-y: auto;
}
.auth__main-inner { width: 100%; max-width: 440px; margin: auto; }
.auth__topbar { display: flex; align-items: center; justify-content: space-between; }

@media (max-width: 900px) {
  .auth { grid-template-columns: 1fr; }
  .auth__aside { display: none; }
}

/* ---------------------------------------------------------------------------
   APP SHELL (dashboard: sidebar + topbar + content)
   --------------------------------------------------------------------------- */
.app { min-height: 100vh; }

.app__sidebar {
  position: fixed; top: 0; left: 0; bottom: 0; width: var(--sidebar-w);
  background: var(--color-chrome);
  color: var(--color-chrome-ink);
  display: flex; flex-direction: column;
  z-index: var(--z-sidebar);
  transition: transform var(--dur-slow) var(--ease);
}
.app__sidebar-head {
  height: var(--topbar-h); flex-shrink: 0;
  display: flex; align-items: center;
  padding-inline: var(--space-5);
  border-bottom: 1px solid var(--color-chrome-border);
}
.app__nav { flex: 1; overflow-y: auto; padding: var(--space-4) var(--space-3); }
.app__nav-group + .app__nav-group { margin-top: var(--space-5); }
.app__nav-label {
  font-size: 0.66rem; text-transform: uppercase; letter-spacing: var(--tracking-caps);
  color: var(--color-chrome-ink-muted); font-weight: var(--fw-bold);
  padding: 0 var(--space-3); margin-bottom: var(--space-2);
}
.app__nav-link {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-chrome-ink);
  font-size: var(--fs-sm); font-weight: var(--fw-medium);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.app__nav-link svg { width: 19px; height: 19px; flex-shrink: 0; opacity: 0.85; }
.app__nav-link:hover { background: rgba(255,255,255,0.06); color: #fff; }
.app__nav-link.is-active { background: var(--color-primary); color: #fff; }
.app__nav-link.is-active svg { opacity: 1; }
.app__nav-link .count {
  margin-left: auto; background: var(--color-accent); color: #fff;
  font-size: 0.66rem; font-weight: var(--fw-bold);
  padding: 1px 7px; border-radius: var(--radius-full);
}
.app__sidebar-foot { padding: var(--space-3); border-top: 1px solid var(--color-chrome-border); }
.app__user {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-2); border-radius: var(--radius-sm);
}
.app__user-meta { min-width: 0; }
.app__user-meta strong { display: block; font-size: var(--fs-sm); color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.app__user-meta span { font-size: var(--fs-xs); color: var(--color-chrome-ink-muted); }

.app__main { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }

.app__topbar {
  position: sticky; top: 0; z-index: var(--z-header);
  height: var(--topbar-h); flex-shrink: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; gap: var(--space-4);
  padding-inline: var(--space-6);
}
.app__topbar h1 { font-size: var(--fs-lg); }
.app__topbar-spacer { flex: 1; }
.app__topbar-actions { display: flex; align-items: center; gap: var(--space-3); }

.icon-btn {
  position: relative;
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  display: grid; place-items: center; color: var(--color-ink-soft);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.icon-btn:hover { background: var(--color-surface-2); color: var(--color-ink); }
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn__badge {
  position: absolute; top: 6px; right: 6px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-accent); border: 2px solid var(--color-surface);
}

.app__content { flex: 1; padding: var(--space-6); }
.app__content-inner { max-width: var(--container-wide); margin-inline: auto; }

/* Page header inside content */
.page-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}
.page-head__meta h2 { font-size: var(--fs-2xl); }
.page-head__meta p { margin-top: var(--space-1); font-size: var(--fs-sm); }
.page-head__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* Breadcrumb */
.crumbs { display: flex; align-items: center; gap: var(--space-2); font-size: var(--fs-xs); color: var(--color-ink-muted); margin-bottom: var(--space-3); }
.crumbs a:hover { color: var(--color-primary); }
.crumbs .sep { opacity: 0.5; }

/* Sidebar backdrop (mobile) */
.app__backdrop {
  position: fixed; inset: 0; background: rgba(11,13,12,0.45);
  z-index: calc(var(--z-sidebar) - 1);
  opacity: 0; visibility: hidden; transition: opacity var(--dur) var(--ease), visibility var(--dur);
}
.app__backdrop.is-open { opacity: 1; visibility: visible; }
.sidebar-toggle { display: none; }

@media (max-width: 1024px) {
  .app__sidebar { transform: translateX(-100%); box-shadow: var(--shadow-lg); }
  .app__sidebar.is-open { transform: translateX(0); }
  .app__main { margin-left: 0; }
  .sidebar-toggle { display: grid; }
}
@media (max-width: 560px) {
  .app__content { padding: var(--space-4); }
  .app__topbar { padding-inline: var(--space-4); }
  .app__topbar h1 { font-size: var(--fs-md); }
}

/* ---------------------------------------------------------------------------
   DASHBOARD GRID HELPERS
   --------------------------------------------------------------------------- */
.dash-grid { display: grid; gap: var(--space-5); }
.dash-cols { display: grid; grid-template-columns: 2fr 1fr; gap: var(--space-5); align-items: start; }
@media (max-width: 1024px) { .dash-cols { grid-template-columns: 1fr; } }

/* Even two-column split (home "solution" & "verification" sections). Replaces
   the old inline `grid-template-columns:1fr 1fr`, which beat the collapse and
   left both sections stuck two-up on phones. Stacks cleanly on tablet/mobile. */
.dash-cols--split { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
@media (max-width: 1024px) { .dash-cols--split { grid-template-columns: 1fr; gap: var(--space-6); } }

.concours-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--space-5); }

/* Concours card */
.concours-card { display: flex; flex-direction: column; }
.concours-card__banner {
  height: 96px; position: relative;
  background: linear-gradient(135deg, var(--c-green-600), var(--c-green-800));
  display: flex; align-items: flex-end; padding: var(--space-4);
}
.concours-card__banner.red { background: linear-gradient(135deg, var(--c-red-500), var(--c-red-700)); }
.concours-card__banner.gold { background: linear-gradient(135deg, var(--c-yellow-400), var(--c-yellow-600)); }
.concours-card__banner::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--ribbon); opacity: 0.9; }
.concours-card__ref { font-size: var(--fs-xs); color: rgba(255,255,255,0.85); font-weight: var(--fw-semibold); letter-spacing: var(--tracking-wide); }
.concours-card__body { padding: var(--space-5); flex: 1; display: flex; flex-direction: column; }
.concours-card__title { font-size: var(--fs-lg); margin-bottom: var(--space-2); }
.concours-card__meta { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: auto; padding-top: var(--space-4); }
.concours-card__meta-item { display: flex; align-items: center; gap: var(--space-2); font-size: var(--fs-xs); color: var(--color-ink-muted); }
.concours-card__meta-item svg { width: 15px; height: 15px; }

/* ============================================================================
   MOBILE REFINEMENTS — desktop layout above is untouched.
   ============================================================================ */

/* Login / register buttons live in the mobile nav drawer; hidden on desktop. */
.nav__auth { display: none; }
@media (max-width: 900px) {
  .nav__auth {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding-top: var(--space-3);
    margin-top: var(--space-2);
    border-top: 1px solid var(--color-border);
  }
}

@media (max-width: 640px) {
  /* Public header: keep the brand compact so it never wraps or clips. */
  .site-header__inner { gap: var(--space-3); }
  .brand__logo { width: 38px; height: 38px; }
  .brand__title { font-size: var(--fs-base); }
  .brand__sub { display: none; }
  .header-actions { gap: var(--space-2); }

  /* App topbar: title stays on one line, brand sub hidden inside the sidebar. */
  .app__topbar { gap: var(--space-2); padding-inline: var(--space-4); }
  .app__topbar h1 { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
  .app__sidebar-head .brand__sub { display: none; }

  /* Full-width, thumb-friendly primary actions. */
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { width: 100%; }
  .page-head { gap: var(--space-3); }
  .page-head__actions { width: 100%; }
  .page-head__actions .btn { flex: 1 1 auto; justify-content: center; }

  /* Hero trust figures: even 2-up row instead of cramped wrap. */
  .hero__trust { gap: var(--space-4) var(--space-6); }
}

@media (max-width: 400px) {
  /* Very small phones: language toggle stays, register moves fully to drawer. */
  .brand__title { font-size: var(--fs-sm); }
}