* { -webkit-tap-highlight-color: transparent; box-sizing: border-box; }
html, body { background: #F5F6FA; }
body { font-family: 'Plus Jakarta Sans', sans-serif; -webkit-font-smoothing: antialiased; }

/* Citadel identity shared by login, desktop shell, and mobile header. */
.citadel-logo {
  width: 38px; height: 38px; flex: none; border-radius: 12px;
  filter: drop-shadow(0 8px 15px rgba(91,95,239,.22));
  transition: transform .22s ease, filter .22s ease;
}
.citadel-logo:hover { transform: translateY(-1px) scale(1.035); filter: drop-shadow(0 10px 18px rgba(66,232,224,.24)); }
.citadel-logo--login { width: 44px; height: 44px; border-radius: 14px; }
.citadel-wordmark { color: #f5f7ff; text-shadow: 0 0 22px rgba(119,117,255,.18); }
.citadel-kicker { color: #747c91 !important; letter-spacing: .15em !important; }
.tab-btn { padding: .5rem .9rem; border-radius: 10px; font-size: 12.5px; font-weight: 700; color: #6B6E85; transition: all .15s ease; cursor: pointer; }
.tab-btn:hover { background: #F5F6FA; }
.tab-btn.active { background: #12131A; color: #fff; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #D8DAE8; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: #B9BCD4; }

.bg-aurora {
  background:
    radial-gradient(46% 38% at 10% -6%, rgba(99,102,241,0.10) 0%, rgba(99,102,241,0) 60%),
    radial-gradient(38% 30% at 96% 0%, rgba(139,92,246,0.09) 0%, rgba(139,92,246,0) 60%),
    radial-gradient(30% 26% at 60% 100%, rgba(6,182,212,0.07) 0%, rgba(6,182,212,0) 60%),
    #F5F6FA;
}

.glass {
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(18,19,26,0.06);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
}
.glass-solid {
  background: #FFFFFF;
  border: 1px solid #ECEDF4;
}
.card {
  background: #FFFFFF;
  border: 1px solid #ECEDF4;
  border-radius: 20px;
  box-shadow: 0 1px 2px rgba(18,19,26,0.03), 0 10px 24px -14px rgba(18,19,26,0.08);
  transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}
.card-hover:hover {
  box-shadow: 0 8px 20px -6px rgba(18,19,26,0.10), 0 24px 48px -20px rgba(99,102,241,0.18);
  transform: translateY(-2px);
  border-color: #E3E4FD;
  will-change: transform;
}
.input-field {
  background: #FAFAFD;
  border: 1px solid #E7E8F0;
  color: #12131A;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.input-field:focus {
  outline: none;
  border-color: #6366F1;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(99,102,241,0.10);
}
.input-field::placeholder { color: #9497AC; }

.grad-brand { background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%); }
.grad-ai { background: linear-gradient(135deg, #06B6D4 0%, #6366F1 60%, #8B5CF6 100%); }
.grad-text {
  background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.grad-text-ai {
  background: linear-gradient(135deg, #06B6D4 0%, #6366F1 70%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #6366F1 0%, #7C5CF2 100%);
  color: #fff; font-weight: 700; box-shadow: 0 8px 20px -8px rgba(99,102,241,0.55);
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 26px -8px rgba(99,102,241,0.6); filter: brightness(1.03); }
.btn-primary:active { transform: translateY(0) scale(.97); }

.btn-ai {
  background: linear-gradient(135deg, #06B6D4 0%, #6366F1 100%);
  color: #fff; font-weight: 700; box-shadow: 0 8px 20px -8px rgba(6,182,212,0.5);
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.btn-ai:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn-ai:active { transform: scale(.97); }

.btn-ghost {
  background: #fff; border: 1px solid #E7E8F0; color: #33354A; font-weight: 600;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.btn-ghost:hover { border-color: #C7C9EA; background: #FAFAFF; transform: translateY(-1px); }
.btn-ghost:active { transform: translateY(0) scale(.98); }

/* ============ KBD HINTS ============ */
kbd.kbd-hint {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; font-weight: 700; line-height: 1;
  color: #6B6E85; background: #F2F2F6; border: 1px solid #E7E8F0;
  border-radius: 5px; padding: 3px 5px;
}

/* ============ QUICK-ADD PALETTE: keyboard-highlighted row ============ */
.palette-row[data-highlighted="true"] { background: #F1F1FE; }

.modal-panel { animation: popIn .22s cubic-bezier(.16,1,.3,1) both; }
.slide-panel { animation: slideIn .32s cubic-bezier(.16,1,.3,1) both; }
.mobile-nav-panel-left { animation: slideInLeft .32s cubic-bezier(.16,1,.3,1) both; }
@keyframes slideInLeft { from { opacity: 0; transform: translateX(-28px); } to { opacity: 1; transform: translateX(0); } }

.rec-pulse { animation: pulseRing 1.8s infinite; }

[data-tooltip] { position: relative; }
[data-tooltip]:hover::after,
[data-tooltip]:focus-visible::after {
  content: attr(data-tooltip); position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%);
  background: #12131A; color: #fff; font-size: 11px; font-weight: 600; padding: 4px 8px; border-radius: 6px; white-space: nowrap; z-index: 50;
  animation: fadeIn .12s ease both;
}

/* ============ ACCESSIBILITY: focus states ============ */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, [tabindex]:focus-visible, .nav-item:focus-visible {
  outline: 2px solid #6366F1;
  outline-offset: 2px;
  border-radius: 8px;
}
.kcard:focus-visible { outline-offset: 3px; }

/* ============ DISABLED STATES ============ */
.btn-primary:disabled, .btn-ai:disabled, .btn-ghost:disabled {
  opacity: .55; cursor: not-allowed; transform: none !important; filter: none !important; box-shadow: none !important;
}
button:disabled { pointer-events: none; }

/* ============ SKELETON LOADING ============ */
.skeleton {
  background: linear-gradient(90deg, #EEEEF4 25%, #F5F5FA 37%, #EEEEF4 63%);
  background-size: 400% 100%;
  animation: shimmer 1.4s ease infinite;
  border-radius: 10px;
}

/* ============ SPINNER ============ */
.spinner {
  width: 14px; height: 14px; border-radius: 999px;
  border: 2px solid rgba(255,255,255,0.4); border-top-color: #fff;
  animation: spin .7s linear infinite; display: inline-block;
}
.spinner-ink {
  border: 2px solid rgba(18,19,26,0.15); border-top-color: #6366F1;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============ MISC POLISH ============ */
::selection { background: rgba(99,102,241,0.18); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ============ QUIET VISUAL REFINEMENT ============ */
.orbit-app,
.orbit-auth {
  color: #181a2a;
  background:
    radial-gradient(900px 520px at 8% -12%, rgba(99,102,241,.045), transparent 62%),
    radial-gradient(760px 460px at 100% 4%, rgba(14,165,233,.03), transparent 64%),
    #fafbfe;
}

.orbit-app .card,
.orbit-auth .card,
.orbit-app .glass-solid {
  border-color: rgba(220,223,235,.86);
  box-shadow: 0 1px 2px rgba(24,26,42,.025), 0 14px 36px -28px rgba(36,39,78,.32);
}

.orbit-app .card { border-radius: 18px; }
.orbit-app .card-hover:hover {
  border-color: rgba(190,194,224,.9);
  box-shadow: 0 18px 38px -28px rgba(55,58,132,.4);
  transform: translateY(-1px);
}

.orbit-app .btn-primary,
.orbit-auth .btn-primary {
  background: linear-gradient(135deg, #5558e8 0%, #6d5ce8 100%);
  box-shadow: 0 10px 22px -12px rgba(82,84,216,.75);
}
.orbit-app .btn-primary:hover,
.orbit-auth .btn-primary:hover {
  box-shadow: 0 14px 26px -13px rgba(82,84,216,.8);
}
.orbit-app .btn-ai {
  background: linear-gradient(135deg, #167ea6 0%, #5658df 100%);
  box-shadow: 0 10px 22px -13px rgba(49,86,177,.65);
}

.orbit-app .input-field,
.orbit-auth .input-field {
  background: rgba(249,250,253,.96);
  border-color: #e1e3ed;
}
.orbit-app .input-field:hover,
.orbit-auth .input-field:hover { border-color: #d2d5e3; }

.orbit-app > .flex > aside {
  background: rgba(255,255,255,.96);
  border-color: #eaecf3;
  box-shadow: 16px 0 44px -40px rgba(28,31,66,.3);
}

.orbit-sidebar__brand {
  min-height: 54px;
  padding-bottom: 14px;
  border-bottom: 1px solid #eef0f5;
}
.orbit-sidebar__quick {
  background: #24263c !important;
  box-shadow: 0 12px 22px -15px rgba(24,26,48,.75) !important;
}
.orbit-sidebar__quick:hover { background: #30334f !important; }
.orbit-sidebar__label {
  padding: 4px 10px 7px;
  color: #a0a3b2;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .13em;
}
.orbit-sidebar__label--spaced { padding-top: 18px; }
.orbit-sidebar .nav-item { min-height: 42px; padding: 7px 9px; border-radius: 11px; }
.orbit-sidebar .nav-item > svg {
  width: 28px;
  height: 28px;
  padding: 6px;
  border-radius: 9px;
  color: #777b91;
  background: #f4f5f9;
  transition: color .15s ease, background .15s ease;
}
.orbit-sidebar .nav-item:hover > svg { color: #52566f; background: #ebeef5; }
.orbit-sidebar .nav-item.active > svg { color: #5558dc; background: #e4e6ff; }
.orbit-sidebar .nav-item [id^="navCount_"] {
  min-width: 22px;
  padding: 2px 6px;
  border-radius: 999px;
  color: #777b91;
  background: #f0f1f6;
  text-align: center;
}
.orbit-sidebar__footer { border-color: #eef0f5; }

.orbit-app.is-dashboard #pageHeader { justify-content: flex-end; margin-bottom: 14px; }
.orbit-app.is-dashboard #pageHeader > div:first-child { display: none; }

.orbit-app #pageTitle {
  color: #1d1f32;
  letter-spacing: -.035em;
}
.orbit-app #pageSubtitle { color: #85889b; }

.orbit-auth::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .32;
  background-image: linear-gradient(rgba(86,88,130,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(86,88,130,.045) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, #000, transparent 82%);
}
.orbit-auth > div { position: relative; z-index: 1; }
.orbit-auth .card {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  box-shadow: 0 26px 70px -38px rgba(31,34,74,.48);
}
.orbit-auth .card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, #5558e8, #7762ea, #1596b8);
}
.orbit-auth .tab-btn.active {
  background: #222438;
  box-shadow: 0 7px 16px -10px rgba(25,27,49,.8);
}

@media (prefers-reduced-motion: reduce) {
  .card, .card-hover, .btn-primary, .btn-ai, .btn-ghost { transition-duration: .01ms !important; }
}