/* CTG Database Portal — PerpWatch-inspired design system */
:root {
  color-scheme: dark;
  --accent: #22d3ee;
  --accent-2: #a78bfa;
  --accent-rgb: 34, 211, 238;
  --accent-2-rgb: 167, 139, 250;
  --up: #34d399;
  --down: #f87171;
  --warn: #fbbf24;

  --bg: #070b14;
  --bg-elev: #0b1220;
  --bg-panel: #0e1628;
  --bg-row-hover: rgba(34, 211, 238, 0.06);
  --bg-row-sel: rgba(167, 139, 250, 0.12);
  --border: rgba(148, 163, 184, 0.12);
  --border-strong: rgba(148, 163, 184, 0.22);
  --text: #e2e8f0;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --input: #0b1220;
  --radius: 10px;
  --radius-sm: 8px;
  --radius-lg: 14px;
  --font: 'Segoe UI', 'PingFang TC', 'Noto Sans TC', 'Microsoft JhengHei', system-ui, sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --nav-height: 56px;
  --nav-bg: rgba(11, 18, 32, 0.85);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 22px 55px rgba(0, 0, 0, 0.5);
  --focus-ring: 0 0 0 2px rgba(34, 211, 238, 0.2);

  /* aliases used by pages */
  --ctg-teal: var(--accent);
  --ctg-teal-hover: #67e8f9;
  --ctg-cyan: var(--accent);
  --ctg-accent: var(--accent);
  --ctg-accent-rgb: var(--accent-rgb);
  --ctg-navy: var(--text);
  --ctg-navy-soft: var(--text-dim);
  --card: var(--bg-panel);
  --surface: var(--bg-panel);
  --bg-elevated: var(--bg-elev);
  --muted: var(--text-muted);
  --text-secondary: var(--text-dim);
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f7fb;
  --bg-elev: #ffffff;
  --bg-panel: #ffffff;
  --bg-row-hover: rgba(8, 145, 178, 0.06);
  --bg-row-sel: rgba(124, 58, 237, 0.08);
  --border: rgba(15, 23, 42, 0.1);
  --border-strong: rgba(15, 23, 42, 0.16);
  --text: #0f172a;
  --text-muted: #64748b;
  --text-dim: #475569;
  --input: #ffffff;
  --nav-bg: rgba(255, 255, 255, 0.86);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 10px 28px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 22px 50px rgba(15, 23, 42, 0.12);
  --focus-ring: 0 0 0 2px rgba(8, 145, 178, 0.18);
  --accent: #0891b2;
  --accent-2: #7c3aed;
  --accent-rgb: 8, 145, 178;
  --accent-2-rgb: 124, 58, 237;
  --ctg-teal: #0e7490;
  --ctg-teal-hover: #155e75;
  --ctg-cyan: #0891b2;
  --ctg-accent: #0891b2;
  --ctg-accent-rgb: 8, 145, 178;
  --ctg-navy: #0f172a;
  --ctg-navy-soft: #334155;
  --card: #ffffff;
  --surface: #ffffff;
  --bg-elevated: #eef2f7;
  --muted: #64748b;
  --text-secondary: #334155;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(var(--accent-rgb), 0.08), transparent),
    radial-gradient(900px 500px at 90% 0%, rgba(var(--accent-2-rgb), 0.08), transparent),
    var(--bg) !important;
  color: var(--text) !important;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background 0.2s ease, color 0.2s ease;
}

a {
  color: var(--accent);
}

a:hover {
  color: var(--accent-2);
}

/* —— Sticky glass navbar —— */
.ctg-navbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: none;
  min-height: var(--nav-height);
  padding: 0.45rem 0;
  margin-bottom: 0 !important;
}

.ctg-navbar .container {
  max-width: 1280px;
}

.ctg-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none !important;
  color: var(--text) !important;
  font-weight: 650;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.ctg-brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 0 0 1px var(--border);
  background: var(--bg-elev);
}

.ctg-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.ctg-brand-text .ctg-title,
.ctg-title {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent !important;
}

.ctg-brand-text .ctg-sub,
.ctg-sub {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-muted) !important;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ctg-nav-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.btn-outline-custom,
.ctg-nav-btn {
  --bs-btn-color: var(--text-dim);
  --bs-btn-bg: var(--bg-elev);
  --bs-btn-border-color: var(--border);
  --bs-btn-hover-color: var(--text);
  --bs-btn-hover-bg: rgba(var(--accent-rgb), 0.1);
  --bs-btn-hover-border-color: rgba(var(--accent-rgb), 0.45);
  --bs-btn-active-color: var(--accent);
  --bs-btn-active-bg: rgba(var(--accent-rgb), 0.12);
  --bs-btn-active-border-color: rgba(var(--accent-rgb), 0.45);
  --bs-btn-font-weight: 550;
  font-size: 0.78rem;
  border-radius: 7px !important;
  padding: 0.32rem 0.72rem;
}

.ctg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-strong);
}

.ctg-user-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

.ctg-user-toggle:hover {
  border-color: var(--border);
  background: var(--bg-elev);
}

/* —— Layout —— */
.container,
.container-fluid {
  max-width: 1280px;
}

.page-shell {
  padding: 1.35rem 0 3rem;
}

.page-header h1,
.page-header h4,
.page-title,
h4.page-title,
h5 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0;
}

.page-subtitle,
.page-header .text-muted {
  color: var(--text-muted) !important;
}

/* —— Cards / panels —— */
.card,
.list-card,
.summary-card,
.ticket-card,
.warn-card,
.record-card,
.stat-card,
.login-card {
  background: var(--bg-panel) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  box-shadow: none;
  color: var(--text);
}

.card:hover,
.ticket-card:hover,
.warn-card:hover,
.record-card:hover {
  border-color: var(--border-strong) !important;
  box-shadow: var(--shadow-md);
}

.stat-card {
  position: relative;
  overflow: hidden;
  padding: 1rem 1.05rem !important;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
  background: linear-gradient(180deg, rgba(var(--accent-rgb), 0.04), transparent 55%), var(--bg-panel) !important;
}

.stat-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 3px 0 0 3px;
  background: var(--accent);
}

.stat-card:hover {
  transform: translateY(-1px);
  border-color: rgba(var(--accent-rgb), 0.35) !important;
  background: rgba(var(--accent-rgb), 0.06) !important;
}

.stat-open::before { background: #60a5fa; }
.stat-critical::before { background: var(--down); }
.stat-warn::before { background: var(--warn); }
.stat-db::before { background: var(--accent-2); }

.stat-open,
.stat-critical,
.stat-warn,
.stat-db {
  background: linear-gradient(180deg, rgba(var(--accent-rgb), 0.04), transparent 55%), var(--bg-panel) !important;
}

.stat-card .text-muted,
.stat-card .small {
  color: var(--text-muted) !important;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.7rem !important;
}

.stat-card .fs-2 {
  font-weight: 750;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-top: 0.25rem;
  font-variant-numeric: tabular-nums;
}

/* —— Tables / lists —— */
.table {
  color: var(--text);
  --bs-table-bg: transparent;
  --bs-table-color: var(--text);
  --bs-table-border-color: var(--border);
  --bs-table-striped-bg: rgba(148, 163, 184, 0.04);
  --bs-table-hover-bg: var(--bg-row-hover);
  font-size: 0.9rem;
}

.table thead th {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom-color: var(--border) !important;
  background: var(--bg-elev);
}

.list-group {
  --bs-list-group-bg: transparent;
  --bs-list-group-border-color: var(--border);
  --bs-list-group-color: var(--text);
}

.list-group-item {
  background: var(--bg-panel);
  color: var(--text);
  border-color: var(--border);
}

.list-group-item-action:hover,
.list-group-item-action:focus {
  background: var(--bg-row-hover) !important;
  color: var(--text) !important;
}

.empty-state {
  text-align: center;
  padding: 3.2rem 1.25rem;
  color: var(--text-muted);
  background: var(--bg-panel);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
}

/* —— Forms —— */
.form-control,
.form-select {
  background: var(--input) !important;
  border-color: var(--border) !important;
  color: var(--text) !important;
  border-radius: var(--radius-sm) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: rgba(var(--accent-rgb), 0.55) !important;
  box-shadow: var(--focus-ring) !important;
  background: var(--input) !important;
  color: var(--text) !important;
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-label {
  color: var(--text-dim);
  font-size: 0.78rem;
  font-weight: 550;
}

.form-check-input:checked {
  background-color: var(--accent);
  border-color: var(--accent);
}

/* —— Buttons —— */
.btn-primary {
  --bs-btn-bg: var(--accent);
  --bs-btn-border-color: var(--accent);
  --bs-btn-color: #042f2e;
  --bs-btn-hover-bg: #67e8f9;
  --bs-btn-hover-border-color: #67e8f9;
  --bs-btn-hover-color: #042f2e;
  --bs-btn-active-bg: var(--accent-2);
  --bs-btn-active-border-color: var(--accent-2);
  --bs-btn-active-color: #fff;
  --bs-btn-disabled-bg: var(--accent);
  --bs-btn-disabled-border-color: var(--accent);
}

[data-theme="light"] .btn-primary {
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: #0e7490;
  --bs-btn-hover-border-color: #0e7490;
}

.btn-secondary {
  --bs-btn-bg: var(--bg-elev);
  --bs-btn-border-color: var(--border-strong);
  --bs-btn-color: var(--text);
  --bs-btn-hover-bg: rgba(var(--accent-2-rgb), 0.12);
  --bs-btn-hover-border-color: rgba(var(--accent-2-rgb), 0.4);
  --bs-btn-hover-color: var(--text);
}

.btn {
  border-radius: var(--radius-sm);
  font-weight: 550;
}

/* —— Badges —— */
.badge-critical { background: rgba(248, 113, 113, 0.14); color: #fca5a5; font-weight: 600; }
.badge-open { background: rgba(96, 165, 250, 0.14); color: #93c5fd; font-weight: 500; }
.badge-resolved { background: rgba(52, 211, 153, 0.14); color: #6ee7b7; font-weight: 500; }
.badge-warn { background: rgba(251, 191, 36, 0.14); color: #fcd34d; font-weight: 600; }
.badge-crq { background: rgba(34, 211, 238, 0.12); color: #67e8f9; font-weight: 600; font-size: 0.75rem; }
.badge-pending { background: rgba(251, 191, 36, 0.14); color: #fbbf24; }
.badge-approved { background: rgba(52, 211, 153, 0.14); color: #34d399; }
.badge-banned { background: rgba(248, 113, 113, 0.16); color: #f87171; }

[data-theme="light"] .badge-critical { background: #fef2f2; color: #dc2626; }
[data-theme="light"] .badge-open { background: #eff6ff; color: #2563eb; }
[data-theme="light"] .badge-resolved { background: #f0fdf4; color: #16a34a; }
[data-theme="light"] .badge-warn { background: #fef3c7; color: #d97706; }
[data-theme="light"] .badge-crq { background: #ecfeff; color: #0e7490; }
[data-theme="light"] .badge-pending { background: #fef3c7; color: #92400e; }
[data-theme="light"] .badge-approved { background: #dcfce7; color: #166534; }
[data-theme="light"] .badge-banned { background: #fee2e2; color: #991b1b; }

/* —— Modals / dropdowns / tabs —— */
.modal-content,
.dropdown-menu {
  background: var(--bg-panel) !important;
  color: var(--text) !important;
  border: 1px solid var(--border-strong) !important;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius) !important;
}

.modal-header {
  background: rgba(15, 23, 42, 0.35) !important;
  border-bottom: 1px solid var(--border) !important;
}

[data-theme="light"] .modal-header {
  background: #f8fafc !important;
}

.modal-footer {
  border-top: 1px solid var(--border) !important;
}

/* Escape sticky-header stacking: modal is moved to body; keep above header z-index 1030 */
#ctg-server-list-modal.modal {
  z-index: 2000;
}
.modal-backdrop {
  z-index: 1990;
}

.modal-backdrop.show {
  opacity: 0.65;
}

.dropdown-item {
  color: var(--text) !important;
  border-radius: 6px;
  margin: 0 0.25rem;
  width: auto;
  font-size: 0.88rem;
}

.dropdown-item:hover,
.dropdown-item:focus {
  background: var(--bg-row-hover) !important;
  color: var(--text) !important;
}

.dropdown-divider {
  border-color: var(--border);
}

.nav-tabs {
  border-bottom-color: var(--border) !important;
}

.nav-tabs .nav-link {
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: 7px 7px 0 0;
  font-size: 0.85rem;
}

.nav-tabs .nav-link:hover {
  color: var(--text);
  border-color: transparent;
}

.nav-tabs .nav-link.active {
  color: var(--accent) !important;
  background: rgba(var(--accent-rgb), 0.08) !important;
  border-color: var(--border) var(--border) transparent !important;
}

.btn-close {
  filter: invert(1) grayscale(1);
  opacity: 0.65;
}

[data-theme="light"] .btn-close {
  filter: none;
}

/* —— Ticket / warn / server cards —— */
.ticket-card {
  border-left: 3px solid var(--down) !important;
  cursor: pointer;
  transition: box-shadow 0.15s, transform 0.15s, border-color 0.15s;
}

.ticket-card.resolved {
  border-left-color: var(--up) !important;
}

.ticket-card:hover {
  transform: translateY(-1px);
}

.warn-card {
  border-left: 3px solid var(--warn) !important;
}

.server-item {
  border-left: 3px solid var(--accent) !important;
}

.server-item:hover {
  background: var(--bg-row-hover) !important;
}

.inv-item {
  border-left: 3px solid var(--up) !important;
}

.inv-item:hover {
  background: rgba(52, 211, 153, 0.08) !important;
}

.host-link { color: var(--text-muted); }
.host-link:hover { color: var(--accent); }
.message-preview { color: var(--text-muted); line-height: 1.5; }

.info-row {
  display: flex;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.info-label {
  width: 90px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.info-value { flex: 1; font-size: 0.9rem; }

/* —— Login page —— */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(var(--accent-rgb), 0.12), transparent),
    radial-gradient(900px 500px at 90% 0%, rgba(var(--accent-2-rgb), 0.12), transparent),
    var(--bg) !important;
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: 1.75rem 1.5rem 1.6rem;
  border-radius: var(--radius) !important;
  background: var(--bg-panel) !important;
  border: 1px solid var(--border-strong) !important;
  box-shadow: var(--shadow-lg) !important;
  position: relative;
  z-index: 1;
}

.login-card .logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  margin: 0 auto 0.85rem;
  display: block;
  border-radius: 12px;
  box-shadow: 0 0 0 1px var(--border);
}

.login-card h1 {
  font-size: 1.35rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.3rem;
  letter-spacing: 0.02em;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.login-card .subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 1.4rem;
}

.btn-login {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.7rem;
  font-weight: 650;
  width: 100%;
  margin-top: 0.45rem;
  color: #04111f;
  box-shadow: 0 10px 24px rgba(var(--accent-rgb), 0.22);
}

[data-theme="light"] .btn-login {
  color: #fff;
}

.btn-login:hover {
  filter: brightness(1.06);
  color: #04111f;
}

[data-theme="light"] .btn-login:hover {
  color: #fff;
}

.login-card .links {
  text-align: center;
  margin-top: 1.15rem;
  font-size: 0.85rem;
}

.login-card .links a {
  color: var(--accent);
  text-decoration: none;
}

.login-card .links a:hover {
  text-decoration: underline;
  color: var(--accent-2);
}

/* —— Chat widget —— */
#chatWidget #chatToggle {
  background: linear-gradient(135deg, var(--accent), var(--accent-2)) !important;
  border: none !important;
  color: #04111f !important;
  width: 56px;
  height: 56px;
}

#chatPanel {
  border-radius: var(--radius) !important;
  overflow: hidden;
  border: 1px solid var(--border-strong) !important;
  background: var(--bg-panel) !important;
}

#chatMessages {
  background: var(--bg-elev) !important;
  border-radius: var(--radius-sm);
}

/* —— Analyzer / converter —— */
.upload-box {
  border: 2px dashed var(--border-strong) !important;
  background: var(--bg-panel) !important;
  border-radius: var(--radius) !important;
  transition: 0.2s ease;
}

.upload-box:hover {
  border-color: rgba(var(--accent-rgb), 0.55) !important;
  background: rgba(var(--accent-rgb), 0.05) !important;
}

.header-bg {
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.25), rgba(var(--accent-2-rgb), 0.25)) !important;
}

.converter-card {
  width: min(92%, 480px);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin: 2rem auto;
}

.converter-card h4 {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

/* —— Utilities —— */
.text-muted,
.small.text-muted {
  color: var(--text-muted) !important;
}

.toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 16px 0;
  align-items: center;
}

.search-box { max-width: 280px; }
.filter-select { max-width: 180px; }

.mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.25);
  border-radius: 4px;
}
::-webkit-scrollbar-track {
  background: transparent;
}

@media (max-width: 991.98px) {
  .ctg-brand-text .ctg-sub { display: none; }
  .ctg-nav-actions {
    justify-content: center;
    width: 100%;
    margin-top: 0.35rem;
  }
  .ctg-navbar .d-flex {
    flex-direction: column;
  }
}

@media (max-width: 575.98px) {
  .stat-card .fs-2 { font-size: 1.55rem !important; }
  .login-card { padding: 1.4rem 1.1rem; }
}