:root {
  --portal-ink: #0b1218;
  --portal-surface: #111c25;
  --portal-surface-raised: #182733;
  --portal-line: #2c4350;
  --portal-text: #e7eef2;
  --portal-muted: #98aab5;
  --portal-accent: #35c2af;
  --portal-accent-deep: #198f83;
}

html { min-height: 100%; font-size: 15px; }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--portal-text);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background: radial-gradient(circle at 82% -15%, #1c4650 0, transparent 36rem), linear-gradient(135deg, #091116, #101d27 58%, #0b171d);
}

.portal-shell { display: grid; grid-template-columns: 250px minmax(0, 1fr); min-height: 100vh; }
.portal-sidebar { display: flex; flex-direction: column; padding: 24px 14px; background: rgba(9, 17, 22, .96); border-right: 1px solid var(--portal-line); }
.portal-brand { padding: 3px 12px 36px; color: var(--portal-accent); font-size: 1.25rem; font-weight: 700; letter-spacing: .02em; text-decoration: none; }
.portal-brand:hover, .portal-brand:focus { color: #8bf4e3; }
.portal-menu { display: grid; gap: 5px; }
.portal-menu-link { padding: 11px 13px; border-radius: 8px; color: var(--portal-muted); font-weight: 650; text-decoration: none; }
.portal-menu-link:hover, .portal-menu-link:focus, .portal-menu-link.active { color: var(--portal-text); background: rgba(44, 67, 80, .72); }
.portal-menu-link.active { box-shadow: inset 3px 0 var(--portal-accent); }
.portal-account { margin-top: auto; padding-top: 1.5rem; border-top: 1px solid var(--portal-line); }
.portal-account .navbar-nav { display: grid; gap: .25rem; }
.portal-account .nav-link { padding: .45rem .75rem; color: var(--portal-muted) !important; }
.portal-account .nav-link:hover, .portal-account .nav-link:focus { color: var(--portal-accent) !important; }
.portal-workspace { display: flex; flex-direction: column; min-width: 0; }
.portal-content { animation: portal-enter .45s ease-out both; }
.portal-content-shell { width: min(1220px, 100%); margin: 0 auto; padding: 48px clamp(24px, 5vw, 74px) 72px; }
.portal-content-shell, .portal-content-shell main, .distribution-page { min-width: 0; box-sizing: border-box; }
.distribution-page .row { margin-left: 0; margin-right: 0; }
.distribution-page .card { height: 100%; overflow: hidden; }
.distribution-page input, .distribution-page select, .distribution-page textarea { max-width: 100%; }

.card { color: var(--portal-text); background: linear-gradient(145deg, rgba(24, 39, 51, .96), rgba(15, 26, 34, .96)); border: 1px solid var(--portal-line); box-shadow: 0 14px 40px rgba(0, 0, 0, .18); }
.card a, a { color: var(--portal-accent); }
.text-muted, .form-text { color: var(--portal-muted) !important; }
.table { --bs-table-bg: transparent; --bs-table-color: var(--portal-text); --bs-table-border-color: var(--portal-line); --bs-table-hover-bg: rgba(53, 194, 175, .08); --bs-table-hover-color: var(--portal-text); }
.form-control, .form-select { color: var(--portal-text); background-color: #0d171e; border-color: var(--portal-line); }
.form-control:focus, .form-select:focus { color: var(--portal-text); background-color: #101e27; border-color: var(--portal-accent); box-shadow: 0 0 0 .2rem rgba(53, 194, 175, .18); }
.btn-primary { --bs-btn-bg: var(--portal-accent-deep); --bs-btn-border-color: var(--portal-accent-deep); --bs-btn-hover-bg: var(--portal-accent); --bs-btn-hover-border-color: var(--portal-accent); --bs-btn-color: #061110; }
.btn-secondary { --bs-btn-bg: #2c4350; --bs-btn-border-color: #2c4350; }
.alert { border-color: var(--portal-line); }
.qr-panel { display: inline-flex; padding: 1rem; background: #f7fcfc; border: 1px solid var(--portal-accent); border-radius: .75rem; }
.qr-code { display: block; width: 216px; height: 216px; image-rendering: pixelated; }
.totp-key { display: inline-block; padding: .55rem .75rem; color: #b8fff5; background: #071216; border: 1px solid var(--portal-line); border-radius: .35rem; letter-spacing: .08em; }
.footer { margin-top: 4rem; padding: 1.5rem 0; color: var(--portal-muted); border-top: 1px solid var(--portal-line); }
.portal-footer { width: min(1220px, 100%); margin: auto auto 0; padding: 1.5rem clamp(24px, 5vw, 74px); }

@keyframes portal-enter { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 780px) {
  .portal-shell { grid-template-columns: 1fr; }
  .portal-sidebar { position: sticky; top: 0; z-index: 10; flex-direction: row; flex-wrap: wrap; align-items: center; gap: .5rem; padding: 15px; }
  .portal-brand { margin-right: auto; padding: 0; font-size: 1rem; }
  .portal-menu { order: 3; display: flex; width: 100%; overflow-x: auto; gap: 2px; }
  .portal-menu-link { flex: 0 0 auto; padding: 8px; }
  .portal-account { margin: 0; padding: 0; border: 0; }
  .portal-account .navbar-nav { display: flex; }
  .portal-content-shell { padding: 34px 20px 55px; }
  .portal-footer { padding: 1.5rem 20px; }
}

@media (max-width: 1100px) {
  .portal-content-shell { padding-left: 28px; padding-right: 28px; }
}