/* =============================================
   Edumail Design System — Aurora Gold
   Theme: light (default) / dark / auto
   ============================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

/* ---------- Theme tokens ---------- */
:root {
  --bg-body: #f5f5f7;
  --bg-card: #ffffff;
  --bg-input: #ffffff;
  --bg-nav: rgba(255,255,255,.82);
  --bg-modal-overlay: rgba(0,0,0,.35);
  --bg-table-hover: rgba(217,119,6,.04);
  --bg-badge: #fffbeb;
  --bg-code: #f1f5f9;
  --bg-aurora-blob: transparent;

  --text-1: #0f172a;
  --text-2: #475569;
  --text-3: #94a3b8;

  --border-1: #e2e8f0;
  --border-2: #f1f5f9;
  --border-focus: #d97706;
  --ring-focus: rgba(217,119,6,.2);

  --shadow-card: 0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
  --shadow-card-hover: 0 4px 20px rgba(0,0,0,.08);
  --shadow-nav: 0 1px 8px rgba(0,0,0,.06);

  /* Gold */
  --gold: #d97706;
  --gold-light: #fbbf24;
  --gold-bg: #fffbeb;
  --gradient-gold: linear-gradient(135deg, #d97706 0%, #f59e0b 50%, #b45309 100%);
  --gradient-gold-text: linear-gradient(135deg, #92400e, #b45309, #78350f);
  --gold-btn-shadow: 0 4px 14px rgba(217,119,6,.25);
  --gold-btn-shadow-hover: 0 6px 20px rgba(217,119,6,.35);

  /* Aurora */
  --cyan: #0891b2;
  --purple: #7c3aed;
  --magenta: #db2777;
  --blue: #2563eb;
  --badge-border: rgba(14,116,144,.2);
  --badge-text: #0e7490;

  /* Semantic */
  --ok: #059669;
  --fail: #dc2626;
}

.dark {
  --bg-body: #06060e;
  --bg-card: rgba(20,20,43,.8);
  --bg-input: rgba(6,6,14,.6);
  --bg-nav: rgba(12,12,29,.92);
  --bg-modal-overlay: rgba(6,6,14,.85);
  --bg-table-hover: rgba(123,97,255,.04);
  --bg-badge: rgba(0,245,212,.06);
  --bg-code: rgba(6,6,14,.5);
  --bg-aurora-blob: block;

  --text-1: #f1f5f9;
  --text-2: #94a3b8;
  --text-3: #475569;

  --border-1: rgba(123,97,255,.15);
  --border-2: rgba(123,97,255,.08);
  --border-focus: #00f5d4;
  --ring-focus: rgba(0,245,212,.15);

  --shadow-card: 0 4px 24px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.03);
  --shadow-card-hover: 0 8px 32px rgba(123,97,255,.08), 0 4px 24px rgba(0,0,0,.4);
  --shadow-nav: 0 4px 24px rgba(0,0,0,.3);

  --gold: #fbbf24;
  --gold-light: #fde68a;
  --gold-bg: rgba(251,191,36,.06);
  --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #fbbf24 50%, #d97706 100%);
  --gradient-gold-text: linear-gradient(135deg, #fbbf24, #f59e0b, #fde68a);
  --gold-btn-shadow: 0 4px 16px rgba(251,191,36,.2);
  --gold-btn-shadow-hover: 0 6px 24px rgba(251,191,36,.3);

  --cyan: #00f5d4;
  --purple: #7b61ff;
  --magenta: #f72585;
  --blue: #4361ee;
  --badge-border: rgba(0,245,212,.2);
  --badge-text: #00f5d4;

  --ok: #00f5d4;
  --fail: #f72585;
}

/* ---------- Base ---------- */
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-body);
  color: var(--text-2);
  min-height: 100vh;
  margin: 0;
  transition: background .35s, color .35s;
  overflow-x: hidden;
}

/* ---------- Aurora background (dark only) ---------- */
.aurora-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  display: var(--bg-aurora-blob, none);
}
.aurora-bg::before {
  content: ''; position: absolute; width: 140%; height: 140%; top: -20%; left: -20%;
  background:
    radial-gradient(ellipse 60% 40% at 20% 30%, rgba(0,245,212,.1) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 75% 20%, rgba(123,97,255,.08) 0%, transparent 55%),
    radial-gradient(ellipse 40% 35% at 50% 70%, rgba(247,37,133,.06) 0%, transparent 50%);
  background-size: 200% 200%;
  animation: auroraShift 14s ease infinite;
}
.aurora-bg::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(251,191,36,.03) 0%, transparent 60%);
}

/* ---------- Nav ---------- */
.main-nav {
  position: sticky; top: 0; z-index: 40;
  background: var(--bg-nav);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-1);
  box-shadow: var(--shadow-nav);
  transition: background .35s, border-color .35s;
}
.nav-inner {
  max-width: 72rem; margin: 0 auto; padding: 0 1rem;
  display: flex; align-items: center; justify-content: space-between; height: 3.25rem;
}
.nav-brand { display: flex; align-items: center; gap: .5rem; text-decoration: none; }
.nav-brand svg { width: 1.125rem; height: 1.125rem; color: var(--gold); }
.nav-brand span {
  font-weight: 700; font-size: .8125rem; letter-spacing: .04em;
  background: var(--gradient-gold-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.nav-links { display: flex; align-items: center; gap: .25rem; }
.nav-link {
  font-size: .8125rem; font-weight: 500; padding: .375rem .75rem; border-radius: .5rem;
  color: var(--text-3); text-decoration: none; transition: all .2s; border: none; background: none; cursor: pointer;
}
.nav-link:hover { color: var(--text-1); background: var(--bg-table-hover); }
.nav-link.active { color: var(--gold); background: var(--gold-bg); }
.nav-divider { width: 1px; height: 1rem; background: var(--border-1); margin: 0 .375rem; }
.nav-logout { font-size: .8125rem; color: var(--fail); opacity: .7; cursor: pointer; background: none; border: none; padding: .375rem .5rem; border-radius: .5rem; transition: all .2s; }
.nav-logout:hover { opacity: 1; background: rgba(220,38,38,.06); }
.dark .nav-logout:hover { background: rgba(247,37,133,.08); }

/* Theme toggle */
.theme-btn { background: none; border: 1px solid var(--border-1); border-radius: .5rem; padding: .3rem; cursor: pointer; color: var(--text-3); transition: all .2s; display: flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; }
.theme-btn:hover { color: var(--gold); border-color: var(--gold); background: var(--gold-bg); }
.theme-btn svg { width: 1rem; height: 1rem; }

/* Mobile hamburger */
.mobile-toggle { display: none; background: none; border: none; color: var(--text-2); cursor: pointer; padding: .25rem; }
.mobile-toggle svg { width: 1.25rem; height: 1.25rem; }
.mobile-menu { display: none; padding: .5rem 1rem 1rem; border-top: 1px solid var(--border-2); }
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; padding: .625rem .75rem; font-size: .875rem; color: var(--text-2); text-decoration: none; border-radius: .5rem; transition: all .15s; }
.mobile-menu a:hover, .mobile-menu a.active { color: var(--gold); background: var(--gold-bg); }
@media (max-width: 640px) {
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
}

/* ---------- Cards ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-1);
  border-radius: 1rem;
  box-shadow: var(--shadow-card);
  transition: all .3s;
}
.dark .card { backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.card:hover { box-shadow: var(--shadow-card-hover); }

/* ---------- Inputs ---------- */
.input-field {
  width: 100%; padding: .6rem .875rem; border-radius: .625rem; font-size: .875rem;
  background: var(--bg-input); border: 1px solid var(--border-1); color: var(--text-1);
  transition: all .2s; outline: none; font-family: inherit;
}
.input-field::placeholder { color: var(--text-3); }
.input-field:focus { border-color: var(--border-focus); box-shadow: 0 0 0 3px var(--ring-focus); }
select.input-field { cursor: pointer; appearance: auto; }

/* ---------- Buttons ---------- */
.btn-gold {
  display: inline-flex; align-items: center; justify-content: center; gap: .375rem;
  background: var(--gradient-gold); color: #fff; font-weight: 600; font-size: .875rem;
  padding: .625rem 1.5rem; border-radius: .625rem; border: none; cursor: pointer;
  box-shadow: var(--gold-btn-shadow); transition: all .2s cubic-bezier(.16,1,.3,1);
  position: relative; overflow: hidden; font-family: inherit;
}
.dark .btn-gold { color: #06060e; }
.btn-gold:hover { transform: translateY(-1px); box-shadow: var(--gold-btn-shadow-hover); }
.btn-gold:active { transform: translateY(0) scale(.98); }
.btn-gold:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.btn-outline {
  display: inline-flex; align-items: center; justify-content: center; gap: .375rem;
  background: transparent; color: var(--text-2); font-weight: 500; font-size: .8125rem;
  padding: .5rem 1rem; border-radius: .625rem; border: 1px solid var(--border-1);
  cursor: pointer; transition: all .2s; font-family: inherit;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-bg); }
.btn-outline:active { transform: scale(.98); }

/* ---------- Table ---------- */
.data-table { width: 100%; font-size: .875rem; border-collapse: collapse; }
.data-table thead th {
  padding: .75rem 1.125rem; text-align: left;
  font-size: .6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em;
  color: var(--gold); border-bottom: 1px solid var(--border-1);
}
.data-table tbody tr { border-bottom: 1px solid var(--border-2); transition: background .15s; }
.data-table tbody tr:hover { background: var(--bg-table-hover); }
.data-table tbody td { padding: .75rem 1.125rem; }

/* ---------- Domain badge ---------- */
.badge {
  display: inline-block; padding: .125rem .5rem; border-radius: .375rem;
  font-size: .6875rem; font-weight: 500; letter-spacing: .02em;
  background: var(--bg-badge); border: 1px solid var(--badge-border); color: var(--badge-text);
}

/* ---------- Action links ---------- */
.act-link {
  font-size: .75rem; padding: .25rem .5rem; border-radius: .375rem;
  background: none; border: none; cursor: pointer; transition: all .15s; font-family: inherit;
}
.act-inbox { color: var(--cyan); }
.act-inbox:hover { background: rgba(8,145,178,.08); }
.dark .act-inbox:hover { background: rgba(0,245,212,.08); }
.act-delete { color: var(--fail); }
.act-delete:hover { background: rgba(220,38,38,.06); }
.dark .act-delete:hover { background: rgba(247,37,133,.08); }

/* ---------- Progress ---------- */
.progress-track { width: 100%; height: .5rem; border-radius: 9999px; background: var(--border-2); overflow: hidden; }
.progress-fill {
  height: 100%; border-radius: 9999px;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--purple), var(--magenta), var(--gold-light), var(--cyan));
  background-size: 300% 100%; animation: auroraShift 4s ease infinite;
  transition: width .5s cubic-bezier(.16,1,.3,1);
}

/* ---------- Log panel ---------- */
.log-panel {
  border-radius: .75rem; padding: .75rem; max-height: 14rem; overflow-y: auto;
  font-family: 'SF Mono', 'Fira Code', monospace; font-size: .6875rem;
  background: var(--bg-code); border: 1px solid var(--border-2);
}
.log-line { line-height: 1.7; }
.log-time { color: var(--text-3); }
.log-ok { color: var(--ok); }
.log-fail { color: var(--fail); }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 50; display: flex; align-items: center; justify-content: center; padding: 1rem;
  background: var(--bg-modal-overlay); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.modal-overlay.hidden { display: none; }
.msg-content img { max-width: 100%; height: auto; border-radius: .5rem; }
.msg-content a { color: var(--cyan); text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Login glow orbs ---------- */
.login-orb {
  position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none;
  animation: glowPulse 4s ease-in-out infinite;
}

/* ---------- Spinner ---------- */
.spinner {
  border: 3px solid var(--border-2); border-top-color: var(--cyan);
  border-radius: 50%; width: 1.75rem; height: 1.75rem;
  animation: spin .7s linear infinite; display: inline-block;
}

/* ---------- Gold gradient text ---------- */
.gold-text {
  background: var(--gradient-gold-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ---------- Section heading accent bar ---------- */
.accent-bar { width: .1875rem; height: 1.25rem; border-radius: 9999px; flex-shrink: 0; }

/* ---------- Animations ---------- */
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
@keyframes slideUp { from{opacity:0;transform:translateY(16px) scale(.98)} to{opacity:1;transform:translateY(0) scale(1)} }
@keyframes glowPulse { 0%,100%{opacity:.3} 50%{opacity:.7} }
@keyframes auroraShift { 0%,100%{background-position:0% 50%} 50%{background-position:100% 50%} }
@keyframes spin { to{transform:rotate(360deg)} }

.animate-fade { animation: fadeIn .3s cubic-bezier(.16,1,.3,1); }
.animate-slide { animation: slideUp .4s cubic-bezier(.16,1,.3,1); }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ---------- Responsive helpers ---------- */
@media (max-width: 640px) {
  .data-table { font-size: .8125rem; }
  .data-table thead th, .data-table tbody td { padding: .5rem .625rem; }
  .hide-mobile { display: none !important; }
}