/* ═══════════════════════════════════════════════════════════════════════════════
   SMPP Bridge · Premium Admin Theme
   ═══════════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── Reset & Variables ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #020617; /* Slate 950 */
  --bg-subtle:  #0f172a; /* Slate 900 */
  --sidebar:    rgba(2, 6, 23, 0.90);
  --card:       rgba(15, 23, 42, 0.55);
  --card-solid: #0f172a;
  --border:     rgba(99, 102, 241, 0.16); /* Indigo tint border */
  --border-h:   rgba(99, 102, 241, 0.30);
  --accent:     #6366f1; /* Indigo 500 */
  --accent-h:   #818cf8; /* Indigo 400 */
  --accent-glow: rgba(99, 102, 241, 0.28);
  --accent-dim: rgba(99, 102, 241, 0.06);
  --purple:     #a855f7;
  --purple-dim: rgba(168, 85, 247, 0.05);
  --green:      #10b981; /* Emerald 500 */
  --green-dim:  rgba(16, 185, 129, 0.15);
  --red:        #ef4444;
  --red-dim:    rgba(239, 68, 68, 0.15);
  --amber:      #f59e0b;
  --amber-dim:  rgba(245, 158, 11, 0.12);
  --cyan:       #06b6d4;
  --cyan-dim:   rgba(6, 182, 212, 0.10);
  --text:       #f1f5f9; /* Slate 100 */
  --text-bright: #ffffff;
  --muted:      #94a3b8; /* Slate 400 */
  --input-bg:   rgba(15, 23, 42, 0.72);
  --input-border: rgba(99, 102, 241, 0.22);
  --radius:     16px;
  --radius-sm:  10px;
  --radius-xs:  6px;
  --shadow-sm:  0 4px 12px rgba(0,0,0,0.4);
  --shadow-md:  0 10px 40px rgba(0,0,0,0.5);
  --shadow-lg:  0 25px 70px rgba(0,0,0,0.6);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --ring:       0 0 0 3px var(--accent-glow);
}

/* ── Focus Rings ───────────────────────────────────────────────────────────── */
:where(a, button, input, select, textarea):focus { outline: none; }
:where(a, button, input, select, textarea):focus-visible {
  box-shadow: var(--ring);
  border-color: var(--accent);
}

html { color-scheme: dark; }

/* ── Scrollbar ────────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }

/* ── Body ─────────────────────────────────────────────────────────────────────── */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.35;
}

/* Animated mesh background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 60% at 10% -10%, rgba(99, 102, 241, 0.07) 0%, transparent 60%),
    radial-gradient(ellipse 70% 50% at 90% 90%, rgba(168, 85, 247, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse 40% 40% at 50% 50%, rgba(6, 182, 212, 0.02) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ── Sidebar ──────────────────────────────────────────────────────────────────── */
aside {
  width: 260px;
  background: var(--sidebar);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 28px 0;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  z-index: 50;
}

aside::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, rgba(99,102,241,0.3), transparent 30%, transparent 70%, rgba(168,85,247,0.2));
}

.brand {
  padding: 0 24px 28px;
  border-bottom: 1px solid var(--border);
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: block;
  object-fit: contain;
  padding: 5px;
  margin-bottom: 12px;
  box-shadow: none;
  animation: none;
}

@media (prefers-reduced-motion: reduce) {
  .brand-icon { animation: none; }
}

.brand-name {
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.3px;
  background: linear-gradient(135deg, var(--text-bright), var(--accent-h));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-tag {
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* ── Navigation ───────────────────────────────────────────────────────────────── */
nav { padding: 20px 14px; flex: 1; }

nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
  margin-bottom: 2px;
  position: relative;
}

nav a:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

nav a.active {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(168, 85, 247, 0.08));
  color: var(--accent-h);
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.15);
}

nav a.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  background: linear-gradient(to bottom, var(--accent), var(--purple));
  border-radius: 0 4px 4px 0;
}

.nav-section {
  padding: 12px 14px 6px;
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  opacity: 0.6;
}

.sidebar-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border);
}

.logout-btn {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color var(--transition);
}

.logout-btn:hover { color: var(--red); }

/* ── Main Content ─────────────────────────────────────────────────────────────── */
main {
  margin-left: 260px;
  flex: 1;
  padding: 36px 40px;
  max-width: 1360px;
  position: relative;
  z-index: 1;
}

/* ── Page Header ──────────────────────────────────────────────────────────────── */
.page-header {
  margin-bottom: 32px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.page-header h1 {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-bright), var(--muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-header p {
  color: var(--muted);
  font-size: 14px;
  margin-top: 6px;
  font-weight: 400;
}

/* ── Cards ────────────────────────────────────────────────────────────────────── */
.card {
  background: var(--card);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  border-color: var(--border-h);
  box-shadow: var(--shadow-md);
}

.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.01);
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.card-body {
  padding: 20px 24px;
}

/* ── Small Layout Helpers ──────────────────────────────────────────────────── */
.ml-auto { margin-left: auto; }
.nowrap { white-space: nowrap; }

/* ── Inline Form Row (1 input + actions) ───────────────────────────────────── */
.inline-form {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.inline-form .form-group { flex: 1; min-width: 260px; }

.input-mono { font-family: 'JetBrains Mono', monospace !important; }

/* ── Stat Cards ───────────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stats-grid-2 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.3), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.stat-card:hover {
  border-color: var(--border-h);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card.connected {
  border-color: rgba(52, 211, 153, 0.15);
  background: linear-gradient(135deg, var(--card-solid), rgba(52, 211, 153, 0.04));
}

.stat-card.warn {
  border-color: rgba(248, 113, 113, 0.15);
  background: linear-gradient(135deg, var(--card-solid), rgba(248, 113, 113, 0.03));
}

.stat-label {
  font-size: 11px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 12px;
}

.stat-value {
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -1px;
}

.stat-value.sm { font-size: 22px; letter-spacing: -0.5px; }
.stat-value.md { font-size: 20px; letter-spacing: -0.6px; }

.stat-card.plain {
  background: transparent;
  box-shadow: none;
  border-color: transparent;
  padding: 18px;
}

.metrics-card {
  padding: 16px;
  margin-top: 16px;
  margin-bottom: 24px;
  background: rgba(0, 0, 0, 0.14);
}

.stat-icon { font-size: 18px; float: right; }
.stat-sub { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* ── Color Utilities ──────────────────────────────────────────────────────────── */
.c-green   { color: var(--green); }
.c-accent  { color: var(--accent-h); }
.c-red     { color: var(--red); }
.c-amber   { color: var(--amber); }
.c-cyan    { color: var(--cyan); }
.c-muted   { color: var(--muted); }

/* ── Table ────────────────────────────────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; }

th {
  background: rgba(255, 255, 255, 0.02);
  padding: 11px 18px;
  text-align: left;
  font-size: 10px;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 12px 18px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

tbody tr:nth-child(even) td { background: rgba(255, 255, 255, 0.008); }

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255, 255, 255, 0.015); }

.td-muted { font-size: 12px; color: var(--muted); }
.td-nowrap { white-space: nowrap; }
.td-ellipsis {
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
}

/* ── Dashboard Helpers ───────────────────────────────────────────────────────── */
.card-accent {
  border-color: var(--border-h);
  background: linear-gradient(135deg, var(--accent-dim), var(--purple-dim));
}

.dash-pass {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.dash-pass input {
  flex: 1;
  min-width: 180px;
  padding: 10px 14px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  font-family: 'Inter', sans-serif;
}

.dash-pass-msg { margin-top: 10px; font-size: 13px; }

/* ── Badges ───────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2px;
  gap: 4px;
}

.badge-success, .badge-on, .badge-ok, .badge-cr-ok, .badge-dlr-delivered, .b-delivered {
  background: var(--green-dim);
  color: var(--green);
}

.badge-failed, .badge-dlr-failed, .badge-dlr-not_delivered, .badge-cr-empty, .badge-empty, .b-not_delivered, .b-failed {
  background: var(--red-dim);
  color: var(--red);
}

.badge-blocked, .badge-off, .badge-cr-low {
  background: rgba(107, 122, 144, 0.12);
  color: var(--muted);
}

.badge-rejected, .badge-dlr-pending, .badge-low, .b-pending {
  background: var(--amber-dim);
  color: var(--amber);
}

.badge-global {
  background: var(--red-dim);
  color: var(--red);
}

.badge-user {
  background: var(--amber-dim);
  color: var(--amber);
}

.badge-aakash { background: var(--amber-dim); color: var(--amber); }
.badge-globalzms { background: rgba(99,102,241,0.12); color: var(--accent-h); }
.badge-sociair { background: var(--green-dim); color: var(--green); }
.badge-nestsms { background: rgba(236,72,153,0.12); color: #ec4899; }
.badge-sparrow { background: rgba(56,189,248,0.12); color: #38bdf8; }
.badge-custom { background: rgba(107,122,144,0.1); color: var(--muted); }

/* ── Buttons ──────────────────────────────────────────────────────────────────── */
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: all var(--transition);
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.25);
  letter-spacing: 0.1px;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:active { transform: translateY(0); }

.btn-compact {
  padding: 8px 14px;
  font-size: 11px;
  border-radius: var(--radius-xs);
}

.btn-primary.btn-danger {
  background: linear-gradient(135deg, var(--red), var(--red));
  box-shadow: 0 2px 12px rgba(239, 68, 68, 0.22);
}

.btn-primary.btn-warning {
  background: linear-gradient(135deg, var(--amber), var(--amber));
  color: var(--bg);
  box-shadow: 0 2px 12px rgba(245, 158, 11, 0.18);
}

.btn-primary.btn-info {
  background: linear-gradient(135deg, var(--cyan), var(--cyan));
  color: var(--bg);
  box-shadow: 0 2px 12px rgba(6, 182, 212, 0.18);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: all var(--transition);
}

.btn-secondary:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-h);
}

.btn-sm {
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-family: 'Inter', sans-serif;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-decoration: none;
}

.btn-sm:hover { transform: translateY(-1px); opacity: 0.85; }

.btn-edit { background: rgba(99,102,241,0.15); color: var(--accent-h); }
.btn-del { background: rgba(248,113,113,0.12); color: var(--red); }
.btn-test { background: rgba(52,211,153,0.12); color: var(--green); }
.btn-topup { background: rgba(99,102,241,0.15); color: var(--accent-h); }
.btn-hist { background: rgba(255,255,255,0.04); color: var(--muted); border: 1px solid var(--border); }

.btn-solid-accent { background: var(--accent); color: #fff; border: none; }
.btn-solid-cyan { background: var(--cyan); color: var(--bg); border: none; }
.btn-solid-purple { background: var(--purple); color: #fff; border: none; }
.btn-solid-amber { background: var(--amber); color: var(--bg); border: none; }
.btn-solid-green { background: var(--green); color: #fff; border: none; }

.refresh-btn {
  font-size: 12px;
  color: var(--muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: all var(--transition);
}

.refresh-btn:hover { color: var(--text); border-color: var(--border-h); }

.btn-filter {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  align-self: flex-end;
  white-space: nowrap;
  box-shadow: 0 2px 12px rgba(99,102,241,0.2);
  transition: all var(--transition);
}

.btn-filter:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(99,102,241,0.35);
}

.btn-export {
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-end;
  white-space: nowrap;
  transition: all var(--transition);
}

.btn-export:hover { color: var(--text); border-color: var(--border-h); }

/* ── Live Badge ───────────────────────────────────────────────────────────────── */
.live-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--green);
  font-weight: 600;
  padding: 6px 14px;
  background: rgba(52, 211, 153, 0.06);
  border-radius: 20px;
  border: 1px solid rgba(52, 211, 153, 0.12);
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}

.pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(52, 211, 153, 0); }
}

/* ── Forms ────────────────────────────────────────────────────────────────────── */
.form-card {
  background: var(--card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 28px;
  display: none;
  animation: slideDown 0.3s ease-out;
}

.form-card.open { display: block; }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-card h2 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.2px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 11px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 14px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: all var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: var(--ring);
}

.form-group textarea { resize: vertical; min-height: 60px; }
.form-full { grid-column: 1/-1; }

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.form-section-title {
  font-size: 11px;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  grid-column: 1/-1;
  border-top: 1px solid var(--border);
  padding-top: 18px;
  margin-top: 6px;
}

/* ── Filter Bar ───────────────────────────────────────────────────────────────── */
.filter-bar {
  background: var(--card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 22px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 130px;
}

.filter-group label {
  font-size: 10px;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-group input,
.filter-group select {
  padding: 9px 14px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: all var(--transition);
}

.filter-group input:focus,
.filter-group select:focus {
  border-color: var(--accent);
  box-shadow: var(--ring);
}

/* ── Inline Input (blacklist add form) ────────────────────────────────────────── */
.add-form {
  background: var(--card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 28px;
  display: flex;
  gap: 14px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.filter-input {
  padding: 8px 14px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 12px;
  font-family: 'Inter', sans-serif;
  outline: none;
  width: 240px;
  transition: all var(--transition);
}

.filter-input:focus {
  border-color: var(--accent);
  box-shadow: var(--ring);
}

/* ── Connection Status ────────────────────────────────────────────────────────── */
.conn-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 600;
}

.cdot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

.cdot-on {
  background: var(--green);
  animation: cpulse 2s ease-in-out infinite;
}

.cdot-off { background: #374151; }

@keyframes cpulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5); }
  50% { box-shadow: 0 0 0 5px rgba(52, 211, 153, 0); }
}

/* ── IP & Bind Badges (connections) ───────────────────────────────────────────── */
.ip-badge {
  background: rgba(34, 211, 238, 0.08);
  color: var(--cyan);
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 500;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}

.bind-badge {
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
}

.bind_transceiver { background: rgba(99,102,241,0.12); color: var(--accent-h); }
.bind_transmitter { background: rgba(52,211,153,0.12); color: var(--green); }
.bind_receiver { background: rgba(251,191,36,0.12); color: var(--amber); }

/* ── Toast ────────────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  padding: 14px 24px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  display: none;
  z-index: 9999;
  animation: toastIn 0.3s ease-out;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  backdrop-filter: blur(12px);
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.toast-ok {
  background: linear-gradient(135deg, rgba(52,211,153,0.9), rgba(34,197,94,0.9));
  color: #fff;
}

.toast-err {
  background: linear-gradient(135deg, rgba(248,113,113,0.9), rgba(239,68,68,0.9));
  color: #fff;
}

/* ── Success/Help Messages ─────────────────────────────────────────────────── */
.ok {
  background: var(--green-dim);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--green);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

.help-text {
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
  display: block;
}

/* ── Error Messages ───────────────────────────────────────────────────────────── */
.err, .form-err {
  background: var(--red-dim);
  border: 1px solid rgba(248, 113, 113, 0.2);
  color: var(--red);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

.error-msg {
  background: var(--red-dim);
  border: 1px solid rgba(248, 113, 113, 0.2);
  color: var(--red);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13px;
  margin-bottom: 20px;
}

/* ── Code ─────────────────────────────────────────────────────────────────────── */
code {
  background: rgba(99, 102, 241, 0.08);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--accent-h);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  border: 1px solid rgba(99, 102, 241, 0.1);
}

/* ── Empty State ──────────────────────────────────────────────────────────────── */
.empty {
  padding: 52px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

/* ── Pagination ───────────────────────────────────────────────────────────────── */
.pagination {
  padding: 18px 24px;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}

.page-btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 500;
  transition: all var(--transition);
}

.page-btn:hover { background: rgba(255,255,255,0.06); border-color: var(--border-h); }
.page-btn:disabled { opacity: 0.3; cursor: default; pointer-events: none; }

/* ── Modal ────────────────────────────────────────────────────────────────────── */
.modal-bg {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal-bg.open { display: flex; }

.modal {
  background: var(--card-solid);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  width: 440px;
  max-width: 95vw;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.25s ease-out;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(-10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.3px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.modal-err {
  color: var(--red);
  font-size: 12px;
  margin-top: 8px;
  display: none;
}

/* ── History Drawer ───────────────────────────────────────────────────────────── */
.hist-row td { background: rgba(0,0,0,0.2); padding: 0; }
.hist-inner { padding: 18px 22px; }
.hist-inner table { font-size: 12px; }
.hist-inner th { font-size: 10px; }
.hist-inner td { padding: 8px 12px; }

/* ── Analytics Controls ───────────────────────────────────────────────────────── */
.controls {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.ctrl-select, .ctrl-input {
  padding: 9px 14px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: all var(--transition);
}

.ctrl-select:focus, .ctrl-input:focus {
  border-color: var(--accent);
  box-shadow: var(--ring);
}

.btn-refresh {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  box-shadow: 0 2px 12px rgba(99,102,241,0.2);
  transition: all var(--transition);
}

.btn-refresh:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(99,102,241,0.35);
}

/* ── Charts ───────────────────────────────────────────────────────────────────── */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.chart-card {
  background: var(--card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}

.chart-full { grid-column: 1/-1; }

.chart-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 22px;
  color: var(--text);
  letter-spacing: -0.2px;
}

.chart-wrap { position: relative; height: 240px; }

/* ── Route Breakdown Table ────────────────────────────────────────────────────── */
.route-table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.route-table th { font-size: 10px; color: var(--muted); font-weight: 700; text-transform: uppercase; padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--border); letter-spacing: 0.5px; }
.route-table td { padding: 10px 12px; font-size: 13px; border-bottom: 1px solid var(--border); }
.route-table tr:last-child td { border-bottom: none; }

/* ── Actions Bar ──────────────────────────────────────────────────────────────── */
.action-bar, .actions { display: flex; gap: 8px; }

/* ── Test Result ──────────────────────────────────────────────────────────────── */
.test-result {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  display: none;
  white-space: pre-wrap;
  word-break: break-all;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  color: var(--text);
  max-height: 140px;
  overflow-y: auto;
}

/* ── Login Page ───────────────────────────────────────────────────────────────── */
body.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  background-image:
    radial-gradient(ellipse at 30% 20%, rgba(99,102,241,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(168,85,247,0.08) 0%, transparent 50%);
}

body.login-page::before { display: none; }

.login-card {
  background: var(--card);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 52px 44px;
  width: 100%;
  max-width: 430px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--purple), transparent);
}

.login-card .logo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 36px;
}

.login-card .logo-icon {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: block;
  object-fit: contain;
  padding: 6px;
  box-shadow: none;
}

.login-card .logo-text { font-size: 18px; font-weight: 800; }
.login-card .logo-sub { font-size: 12px; color: var(--muted); margin-top: 2px; font-weight: 500; }

.login-card h1 { font-size: 24px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 8px; color: var(--text-bright); }
.login-card p { font-size: 14px; color: var(--muted); margin-bottom: 32px; }

.login-card label {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 8px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.login-card input {
  width: 100%;
  padding: 13px 16px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: all var(--transition);
  font-family: 'Inter', sans-serif;
}

.login-card input:focus {
  border-color: var(--accent);
  box-shadow: var(--ring);
}

.login-card .field { margin-bottom: 24px; }

.login-card button {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'Inter', sans-serif;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
  margin-top: 4px;
}

.login-card button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(99, 102, 241, 0.45);
}

.login-card button:active { transform: scale(0.98); }

/* ── Page Load Animation ──────────────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

main { animation: fadeIn 0.4s ease-out; }

/* ── Misc ─────────────────────────────────────────────────────────────────────── */
.form-err { flex-basis: 100%; }

/* ── Sidebar Collapse + Mobile Responsive ─────────────────────────────────── */
/* Floating hamburger toggle. Injected by sidebar.js on every admin page so we
   don't have to edit each view's HTML. */
.sidebar-toggle {
  position: fixed;
  top: 14px; left: 14px;
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(2, 6, 23, 0.85);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  z-index: 100;
  display: none;            /* shown on mobile and when desktop sidebar is collapsed */
  align-items: center;
  justify-content: center;
  font-size: 18px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background var(--transition);
}
.sidebar-toggle:hover { background: rgba(99, 102, 241, 0.18); }

.sidebar-backdrop {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 49;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
body.sidebar-open .sidebar-backdrop { opacity: 1; pointer-events: auto; }

aside { transition: transform .25s ease; }

/* Desktop collapse — hide sidebar, expand main. Toggle button stays visible. */
@media (min-width: 901px) {
  body.sidebar-collapsed aside { transform: translateX(-100%); }
  body.sidebar-collapsed main { margin-left: 0; }
  body.sidebar-collapsed .sidebar-toggle { display: flex; }
}

/* Mobile — sidebar slides in as overlay, main is full-width. */
@media (max-width: 900px) {
  .sidebar-toggle { display: flex; }
  aside { transform: translateX(-100%); }
  body.sidebar-open aside { transform: translateX(0); }
  main {
    margin-left: 0 !important;
    padding: 64px 16px 24px;
    max-width: 100%;
  }
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 20px;
  }
  .page-header h1 { font-size: 20px; }
  .filter-bar, .form-actions {
    flex-wrap: wrap;
    gap: 8px;
  }
  /* Stat grids stack tighter */
  .stat-grid { grid-template-columns: 1fr 1fr !important; gap: 8px !important; }
  .form-grid, .fg { grid-template-columns: 1fr !important; gap: 12px !important; }
  /* Cards with horizontal content (lists, transaction rows) get a tiny inset */
  .card { padding: 14px; }
}

@media (max-width: 480px) {
  main { padding: 60px 10px 20px; }
  .stat-grid { grid-template-columns: 1fr !important; }
}

/* ═════════════════════════════════════════════════════════════════════════
   Comprehensive responsive defaults (added 2026-05).

   Most admin/portal views have lots of inline grid-template-columns,
   min-width values, and hardcoded modal sizes that don't collapse cleanly
   on phones. Rather than editing every file, these rules override the
   common offenders at small viewports — !important is intentional here
   because the things we're fighting are inline styles, which would
   otherwise win specificity.
   ═════════════════════════════════════════════════════════════════════════ */

/* Let flex/grid children shrink below their content size. Without this,
   long URLs / tokens / message-IDs inside an input or cell make the whole
   row blow out and trigger horizontal page scroll. */
input, textarea, select,
.form-group, .field, .fld,
.dg-row, .dg-val,
td, th { min-width: 0; }

/* Long unbroken strings inside content cards/badges wrap instead of
   pushing the container wider than the viewport. Code/pre are deliberately
   excluded — they have their own overflow-x: auto for horizontal scrolling
   so code formatting stays intact. */
.card, .section, .form-card, .vault-card, .archive-card, .doc-card,
.bill-row, .rank-card, .kpi, .stat-card, .result-banner,
.api-response, .api-key {
  min-width: 0;
  overflow-wrap: anywhere;
  word-wrap: break-word;
}
/* Inline code (not block) wraps. Block-level <pre> doesn't — it scrolls. */
:not(pre) > code { overflow-wrap: anywhere; word-wrap: break-word; }

/* Hard guarantee: nothing in <main> may exceed viewport width. Catches
   stray inline-width:600px modals/blocks before they force the page to
   scroll horizontally. */
main { overflow-x: hidden; }
main > * { max-width: 100%; }

@media (max-width: 768px) {
  /* Stat grids: snap to 2 cols regardless of inline grid-template-columns. */
  .stat-grid, .stats-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 10px !important;
  }
  /* Multi-column grids commonly authored with hardcoded repeat(N,1fr). */
  .bill-row { grid-template-columns: 1fr 1fr !important; }
  .rank-card { grid-template-columns: 40px 1fr !important; gap: 8px !important; }
  .grid-2, .topup-grid, .charts-grid { grid-template-columns: 1fr !important; }
  .docs-layout { grid-template-columns: 1fr !important; }
  /* Pay summary on invoice manager. */
  .pay-summary { grid-template-columns: 1fr !important; }
  /* Simulator's "1fr 2fr" panel split — stack on mobile. */
  .sim-layout, .two-pane { grid-template-columns: 1fr !important; }
  /* Action bars: wrap freely, full-width when stacked. */
  .form-actions, .modal-actions, .action-row {
    flex-wrap: wrap !important;
    gap: 8px !important;
  }
  /* Filter bars / search bars: respect viewport even when inline min-width
     was set higher than the viewport width. .filter-group is flex-direction:
     column, so `flex: 1 1 140px` on its inputs becomes a 140px+ HEIGHT, not
     width — that's the bug we hit. Only flex-size direct .filter-bar
     children; for inputs inside a .filter-group, just unblock the min-width
     and let them be normal-height. */
  .filter-bar > input, .filter-bar > select {
    min-width: 0 !important;
    flex: 1 1 140px;
  }
  .filter-group input, .filter-group select { min-width: 0 !important; width: 100%; }
  /* form-group children carry inline min-width:200-250px from pre-mobile
     layouts in lots of pages. Drop the floor everywhere on phones so a
     single form-group never exceeds the viewport — but DON'T force each
     one to 100% width: that creates a tall stack of "card-like" rows.
     Instead use a flex-basis of ~150px so 2 fit per row on most phones
     (Status + DLR, From + To, etc.) and wrap naturally when they can't. */
  .form-group, .filter-group, .field, .fld { min-width: 0 !important; }
  .add-form .form-group,
  .filter-bar .form-group,
  .filter-bar .filter-group,
  .page-header .form-group {
    flex: 1 1 140px !important;
    max-width: 100% !important;
  }
  /* Inputs inside these go full-width within their cell. */
  .add-form input, .add-form select, .add-form textarea,
  .filter-bar input, .filter-bar select,
  .page-header .form-group input, .page-header .form-group select { width: 100%; }
  /* Page-header right-side flex rows (refresh + form-groups) wrap. */
  .page-header > div { flex-wrap: wrap; }
  /* Tighter table cell padding so 4–5 column tables still fit. */
  td, th { padding: 8px 10px !important; }
  /* Modals: full-width minus a tiny margin. Catches both convention
     (.modal) and the per-page "[id$=-modal] > div" pattern used in
     users.html / admin-billing.html / billing.html. */
  .modal,
  [id$="-modal"] > div,
  [id*="modal"] > div[style*="border-radius"] {
    width: calc(100vw - 24px) !important;
    max-width: calc(100vw - 24px) !important;
    padding: 18px !important;
  }
  /* Dashboard credits-popover: don't insist on being 340px wide. */
  .credits-popover {
    min-width: 0 !important;
    max-width: calc(100vw - 32px) !important;
    left: 0 !important;
  }
  /* Card header: title + actions stack rather than overflow. */
  .card-header { flex-wrap: wrap; gap: 8px; padding: 16px 18px; }
}

@media (max-width: 480px) {
  /* Single-column for everything stat-like. */
  .stat-grid, .stats-grid { grid-template-columns: 1fr !important; }
  .bill-row { grid-template-columns: 1fr !important; gap: 6px !important; }
  /* Page-header CTA buttons stretch to full-width when they wrap below
     the title — usually a "+ Add User" / "+ Add Route" pattern. */
  .page-header .btn-primary,
  .page-header .btn-secondary { width: 100%; }
  /* Card chrome: tighten further. */
  .card { padding: 12px !important; }
  .card-header { padding: 12px 14px !important; }
  /* Form inputs: bump font slightly so iOS doesn't auto-zoom on focus. */
  .form-group input, .form-group textarea, .form-group select,
  .fld input, .fld textarea, .fld select { font-size: 16px; }
  /* Modal: edge-to-edge minus 8px, no padding shock. */
  .modal,
  [id$="-modal"] > div { width: calc(100vw - 16px) !important; padding: 14px !important; }
}

/* ═════════════════════════════════════════════════════════════════════════════
   Premium primitives — added in 2026-05 design refresh.
   ════════════════════════════════════════════════════════════════════════════ */

/* ── Skeleton Loader ───────────────────────────────────────────────────────── */
@keyframes skeletonShimmer {
  0%   { background-position: -200px 0; }
  100% { background-position: calc(200px + 100%) 0; }
}
.skel {
  display: inline-block;
  background: linear-gradient(90deg,
    rgba(255,255,255,0.04) 0%,
    rgba(255,255,255,0.10) 40%,
    rgba(255,255,255,0.04) 80%);
  background-size: 200px 100%;
  background-repeat: no-repeat;
  border-radius: 6px;
  animation: skeletonShimmer 1.4s ease-in-out infinite;
  vertical-align: middle;
}
.skel-line { display: block; height: 12px; width: 100%; margin: 6px 0; }
.skel-line.sm { height: 10px; width: 60%; }
.skel-line.lg { height: 18px; width: 40%; }
.skel-pill { display: inline-block; height: 20px; width: 70px; border-radius: 10px; }
.skel-circle { width: 32px; height: 32px; border-radius: 50%; display: inline-block; }
tr.skel-row td { padding: 14px 18px; }

/* ── Sticky Table Header ──────────────────────────────────────────────────── */
.table-sticky thead th {
  position: sticky;
  top: 0;
  z-index: 5;
  background: linear-gradient(180deg, var(--card-solid) 0%, var(--card-solid) 60%, rgba(15,23,42,0.95) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ── Tabs ─────────────────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  overflow-x: auto;
}
.tab {
  flex: 1;
  padding: 9px 16px;
  border-radius: var(--radius-xs);
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.2px;
  font-family: 'Inter', sans-serif;
  white-space: nowrap;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.tab:hover { color: var(--text); background: rgba(255,255,255,0.03); }
.tab.active {
  background: linear-gradient(135deg, rgba(99,102,241,0.18), rgba(168,85,247,0.10));
  color: var(--accent-h);
  box-shadow: inset 0 0 0 1px rgba(99,102,241,0.20);
}
.tab-panel { display: none; animation: fadeIn 0.25s ease-out; }
.tab-panel.active { display: block; }
.tab-count {
  background: rgba(255,255,255,0.06);
  color: var(--muted);
  padding: 1px 7px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 700;
}

/* ── Empty State (rich) ───────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--muted);
}
.empty-state .icon {
  font-size: 44px;
  margin-bottom: 14px;
  opacity: 0.7;
  display: block;
  filter: grayscale(0.2);
}
.empty-state .title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.empty-state .desc {
  font-size: 13px;
  color: var(--muted);
  max-width: 320px;
  margin: 0 auto 16px;
  line-height: 1.5;
}

/* ── Sparkline ────────────────────────────────────────────────────────────── */
.spark {
  display: block;
  width: 100%;
  height: 32px;
  margin-top: 10px;
  opacity: 0.85;
}
.spark path.line { fill: none; stroke: var(--accent-h); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.spark path.area { fill: url(#sparkGrad); opacity: 0.35; }
.spark.green path.line { stroke: var(--green); }
.spark.red   path.line { stroke: var(--red); }
.spark.cyan  path.line { stroke: var(--cyan); }
.spark.amber path.line { stroke: var(--amber); }

/* ── KPI Card (premium variant of stat-card) ──────────────────────────────── */
.kpi {
  background: linear-gradient(160deg, var(--card-solid) 0%, rgba(15,23,42,0.4) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.kpi:hover { border-color: var(--border-h); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.kpi::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 60px; height: 60px;
  background: var(--kpi-glow, var(--accent-glow));
  filter: blur(40px);
  opacity: 0.4;
  pointer-events: none;
}
.kpi-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.kpi-label { font-size: 11px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px; }
.kpi-icon { width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 16px; background: rgba(255,255,255,0.04); }
.kpi-value { font-size: 28px; font-weight: 800; line-height: 1; letter-spacing: -0.7px; }
.kpi-value.sm { font-size: 18px; letter-spacing: -0.3px; }
.kpi-delta { font-size: 11px; color: var(--muted); margin-top: 6px; font-weight: 500; }
.kpi-delta.up { color: var(--green); }
.kpi-delta.down { color: var(--red); }
.kpi.accent { --kpi-glow: rgba(99,102,241,0.35); }
.kpi.green  { --kpi-glow: rgba(16,185,129,0.30); }
.kpi.red    { --kpi-glow: rgba(239,68,68,0.30); }
.kpi.amber  { --kpi-glow: rgba(245,158,11,0.30); }
.kpi.cyan   { --kpi-glow: rgba(6,182,212,0.30); }
.kpi.purple { --kpi-glow: rgba(168,85,247,0.30); }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

/* ── Progress Bar ─────────────────────────────────────────────────────────── */
.progress {
  height: 6px;
  background: rgba(255,255,255,0.05);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 8px;
}
.progress > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  transition: width 0.4s ease;
}
.progress.green > span { background: linear-gradient(90deg, var(--green), #34d399); }
.progress.red > span { background: linear-gradient(90deg, var(--red), #f87171); }
.progress.amber > span { background: linear-gradient(90deg, var(--amber), #fbbf24); }

/* ── Section Group (for grouped settings) ─────────────────────────────────── */
.section-group { margin-bottom: 28px; }
.section-group-title {
  font-size: 11px;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  margin: 0 0 12px 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-group-title::before {
  content: '';
  width: 3px;
  height: 14px;
  border-radius: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--purple));
}

/* ── Copy Button (inline, for code blocks) ────────────────────────────────── */
.copy-btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all var(--transition);
}
.copy-btn:hover { color: var(--text); border-color: var(--border-h); background: rgba(255,255,255,0.06); }
.copy-btn.copied { color: var(--green); border-color: rgba(16,185,129,0.3); background: rgba(16,185,129,0.06); }

/* ── Code block wrapper with copy button ──────────────────────────────────── */
.code-wrap { position: relative; }
.code-wrap .copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
}

/* ── TOC (table of contents, sticky on api docs) ──────────────────────────── */
.toc {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  position: sticky;
  top: 24px;
  align-self: flex-start;
  font-size: 13px;
}
.toc h4 { font-size: 11px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px; }
.toc a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  padding: 6px 8px;
  border-radius: 6px;
  margin-bottom: 2px;
  transition: all var(--transition);
}
.toc a:hover { color: var(--text); background: rgba(255,255,255,0.03); }
.toc a.active { color: var(--accent-h); background: rgba(99,102,241,0.08); font-weight: 600; }

/* ── Inline KPI (for tooltips, mini stats) ────────────────────────────────── */
.inline-kpi {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.04);
  font-size: 12px;
}
.inline-kpi .v { font-weight: 700; color: var(--text); }
.inline-kpi .l { color: var(--muted); font-size: 10px; }

/* ── Universal table horizontal scroll ────────────────────────────────────── */
/* Tables anywhere will overflow into a scroll container created by sidebar.js
   so they never crush. Style the wrapper here. */
.table-scroll {
  overflow-x: auto;
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
  margin: 0 -2px;
}
.table-scroll table { min-width: 100%; }
.table-scroll::-webkit-scrollbar { height: 10px; }
.table-scroll::-webkit-scrollbar-track { background: rgba(255, 255, 255, .03); }
.table-scroll::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, .15); border-radius: 6px; }
.table-scroll::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, .25); }
@media (max-width: 1100px) {
  .table-scroll table { min-width: 900px; }
  .table-scroll th, .table-scroll td { white-space: nowrap; }
}