/* ==========================================================================
   UCSB Applied Economics Club — shared design system
   Loaded by every page BEFORE any inline <style> block, so page-specific
   rules can still override these defaults.
   ========================================================================== */

:root {
  --bg:       #090F1A;
  --surface:  #0E1829;
  --surface-soft: #12213A;
  --navy:     #162438;
  --gold:     #C4A448;
  --gold-lt:  #D4B55E;
  --gold-dim: rgba(196,164,72,0.10);
  --steel:    #2B4A6F;
  --text:     #FFFFFF;
  --muted:    rgba(255,255,255,0.62);
  --border:   rgba(255,255,255,0.07);
  --shadow:   0 24px 60px rgba(0,0,0,0.26);

  /* Aliases used by members/vote/admin/messages so existing inline styles keep working */
  --accent:      #C4A448;
  --accent-soft: #D4B55E;
  --panel:       rgba(255,255,255,0.04);

  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  scroll-behavior: smooth;
}

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 64px 0 0;
  overflow-x: hidden;
}

/* ── TOP NAV ───────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  width: 100%; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 56px);
  height: 64px;
  background: rgba(9, 15, 26, 0.78);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: background 0.35s, box-shadow 0.35s, border-color 0.35s;
  animation: navDown 0.55s cubic-bezier(0.4, 0, 0.2, 1) both;
}
@keyframes navDown {
  from { transform: translateY(-100%); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}
.topbar.scrolled {
  background: rgba(9, 15, 26, 0.97);
  box-shadow: 0 2px 40px rgba(0, 0, 0, 0.45);
  border-color: rgba(196, 164, 72, 0.14);
}

.brand {
  font-size: 0.78rem;
  font-weight: 800; color: #fff;
  letter-spacing: 0.22em; text-transform: uppercase;
  text-decoration: none; white-space: nowrap; flex-shrink: 0;
  transition: color 0.2s;
}
.brand:hover { color: var(--gold); }

.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  position: relative;
  display: inline-flex; align-items: center;
  padding: 8px 13px;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  font-size: 0.875rem; font-weight: 500;
  letter-spacing: 0.03em; border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.main-nav a::after {
  content: '';
  position: absolute; bottom: 5px;
  left: 13px; right: 13px;
  height: 2px; background: var(--gold); border-radius: 2px;
  transform: scaleX(0); transform-origin: center;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.main-nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.05); }
.main-nav a:hover::after,
.main-nav a.active::after { transform: scaleX(1); }
.main-nav a.active {
  color: #fff; font-weight: 700;
  background: rgba(196, 164, 72, 0.08);
}

/* ── MOBILE NAV ────────────────────────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; width: 40px; height: 40px;
  background: none; border: none; cursor: pointer;
  padding: 8px; border-radius: 8px;
  transition: background 0.2s;
  flex-shrink: 0;
}
.nav-toggle:hover { background: rgba(255, 255, 255, 0.06); }
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: #fff; border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
  transform-origin: center;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.brand-abbr { display: none; }

@media (max-width: 640px) {
  .nav-toggle { display: flex; }
  .brand-full { display: none; }
  .brand-abbr { display: inline; }
  .main-nav {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: rgba(9, 15, 26, 0.97);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    border-bottom: 1px solid rgba(196, 164, 72, 0.14);
    padding: 12px 16px 20px;
    gap: 4px;
    opacity: 0; transform: translateY(-6px);
    pointer-events: none; visibility: hidden;
    transition:
      opacity 0.22s cubic-bezier(0.4, 0, 0.2, 1),
      transform 0.22s cubic-bezier(0.4, 0, 0.2, 1),
      visibility 0s linear 0.22s;
  }
  .main-nav.open {
    opacity: 1; transform: translateY(0);
    pointer-events: auto; visibility: visible;
    transition:
      opacity 0.22s cubic-bezier(0.4, 0, 0.2, 1),
      transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .main-nav a { padding: 12px 16px; font-size: 1rem; border-radius: 10px; }
  .main-nav.open a { animation: navLinkIn 0.18s cubic-bezier(0.4, 0, 0.2, 1) both; }
  .main-nav.open a:nth-child(1) { animation-delay: .04s; }
  .main-nav.open a:nth-child(2) { animation-delay: .08s; }
  .main-nav.open a:nth-child(3) { animation-delay: .12s; }
  .main-nav.open a:nth-child(4) { animation-delay: .16s; }
  .main-nav.open a:nth-child(5) { animation-delay: .20s; }
  .main-nav.open a:nth-child(6) { animation-delay: .24s; }
  .main-nav.open a:nth-child(7) { animation-delay: .28s; }
}
@keyframes navLinkIn {
  from { opacity: 0; transform: translateX(-6px); }
  to   { opacity: 1; transform: none; }
}

/* ── AUTH-AWARE NAV (no flash) ─────────────────────────── */
/*
 * Auth-gated links are hidden by default. As soon as the auth state is
 * determined (synchronously in <head>), a class is added to <body>:
 *   body.is-authed  → reveal members + messages + profile-renamed signin
 *   body.is-admin   → reveal admin
 * If the JS never runs (e.g. JS disabled) the links stay hidden, which is
 * the safe default.
 */
[data-auth="member"], [data-auth="admin"] { display: none !important; }
body.is-authed [data-auth="member"] { display: inline-flex !important; }
body.is-admin  [data-auth="admin"]  { display: inline-flex !important; }

/* ── BUTTONS ───────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 30px; border-radius: 999px;
  background: var(--gold); color: #090F1A;
  font-weight: 700; font-size: 0.95rem; letter-spacing: 0.02em;
  text-decoration: none;
  box-shadow: 0 8px 28px rgba(196, 164, 72, 0.28);
  transition: transform 0.2s, filter 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.07);
  box-shadow: 0 14px 36px rgba(196, 164, 72, 0.36);
}
.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 30px; border-radius: 999px;
  border: 1px solid rgba(196, 164, 72, 0.38);
  color: var(--gold);
  font-weight: 600; font-size: 0.95rem; text-decoration: none;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.btn-outline:hover {
  border-color: var(--gold);
  background: rgba(196, 164, 72, 0.07);
  transform: translateY(-2px);
}
@media (hover: none) {
  .btn-primary:active { transform: scale(0.96); filter: brightness(1.04); box-shadow: none; }
  .btn-outline:active { background: rgba(196, 164, 72, 0.1); transform: scale(0.96); }
  .nav-toggle:active  { background: rgba(255, 255, 255, 0.12) !important; }
}

/* ── REVEAL-ON-SCROLL ──────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── GOLD DIVIDER ──────────────────────────────────────── */
.gold-divider {
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    rgba(196, 164, 72, 0.22),
    transparent
  );
  margin: 0 24px 40px;
}

/* ── REDUCED MOTION ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}