/* ============================================================
   CRM NST WEB – Design System (Dark Premium)
   Font: System UI stack (Inter nativo su macOS/iOS, Segoe su Windows)
   ============================================================ */

/* Nessuna dipendenza esterna – font di sistema per caricamento istantaneo */

/* ─── CSS Variables ────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-base:      #070b14;
  --bg-surface:   #0d1526;
  --bg-card:      #111827;
  --bg-elevated:  #1a2236;
  --bg-hover:     #1e293b;

  /* Borders */
  --border:       rgba(255,255,255,0.07);
  --border-light: rgba(255,255,255,0.12);
  --border-focus: rgba(99,102,241,0.6);

  /* Brand / Accent */
  --accent:       #6366f1;
  --accent-dark:  #4f46e5;
  --accent-glow:  rgba(99,102,241,0.25);
  --cyan:         #22d3ee;
  --cyan-glow:    rgba(34,211,238,0.2);

  /* Status */
  --success:      #10b981;
  --success-bg:   rgba(16,185,129,0.12);
  --success-glow: rgba(16,185,129,0.25);
  --warning:      #f59e0b;
  --warning-bg:   rgba(245,158,11,0.12);
  --danger:       #ef4444;
  --danger-bg:    rgba(239,68,68,0.12);
  --danger-glow:  rgba(239,68,68,0.25);
  --info:         #3b82f6;
  --info-bg:      rgba(59,130,246,0.12);

  /* Text */
  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #475569;
  --text-disabled:  #334155;

  /* Sidebar */
  --sidebar-w:    260px;
  --sidebar-bg:   #080d1a;

  /* Transitions */
  --ease:         cubic-bezier(0.4, 0, 0.2, 1);
  --duration:     180ms;

  /* Shadows */
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:    0 8px 32px rgba(0,0,0,0.6);
  --shadow-glow:  0 0 20px var(--accent-glow);

  /* Radius */
  --radius-sm:    6px;
  --radius-md:    10px;
  --radius-lg:    16px;
  --radius-xl:    20px;
}

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

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color var(--duration) var(--ease); }
a:hover { color: var(--cyan); }

img { max-width: 100%; }
code, pre { font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', 'Cascadia Code', 'Fira Code', Consolas, monospace; }

/* ─── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ─── Layout Auth ───────────────────────────────────────────── */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(99,102,241,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(34,211,238,0.08) 0%, transparent 60%),
    var(--bg-base);
  padding: 2rem;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(99,102,241,0.08);
  animation: slideUp 0.4s var(--ease);
}

.auth-logo {
  text-align: center;
  margin-bottom: 2rem;
}
.auth-logo .logo-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-glow);
}
.auth-logo h1 { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; }
.auth-logo p  { color: var(--text-secondary); font-size: 0.85rem; margin-top: 0.25rem; }

/* ─── Layout App ────────────────────────────────────────────── */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ─── Sidebar ───────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform var(--duration) var(--ease);
}

.sidebar-logo {
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.sidebar-logo .logo-mark {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.9rem; color: #fff;
  box-shadow: var(--shadow-glow);
  flex-shrink: 0;
}
.sidebar-logo .logo-text { font-size: 0.95rem; font-weight: 700; letter-spacing: -0.01em; }
.sidebar-logo .logo-ver  { font-size: 0.7rem; color: var(--text-muted); }

.sidebar-nav { flex: 1; padding: 1rem 0.75rem; overflow-y: auto; }

.nav-section-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-disabled);
  padding: 0.75rem 0.5rem 0.35rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 2px;
  transition: all var(--duration) var(--ease);
  position: relative;
}
.nav-item:hover { background: var(--bg-elevated); color: var(--text-primary); }
.nav-item.active {
  background: linear-gradient(90deg, var(--accent-glow), transparent);
  color: var(--text-primary);
  border-left: 2px solid var(--accent);
}
.nav-item .nav-icon { width: 18px; height: 18px; opacity: 0.7; flex-shrink: 0; }
.nav-item.active .nav-icon { opacity: 1; }
.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 99px;
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: 1rem 0.75rem;
  border-top: 1px solid var(--border);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
}
.sidebar-user .avatar {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.75rem;
  flex-shrink: 0;
}
.sidebar-user .user-info { flex: 1; min-width: 0; }
.sidebar-user .user-name { font-size: 0.8rem; font-weight: 600; truncate: ellipsis; }
.sidebar-user .user-role { font-size: 0.68rem; color: var(--text-muted); }
.sidebar-user .logout-btn {
  color: var(--text-muted);
  padding: 4px;
  border-radius: 4px;
  transition: color var(--duration) var(--ease);
}
.sidebar-user .logout-btn:hover { color: var(--danger); }

/* ─── Main content ──────────────────────────────────────────── */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ─── Topbar ────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7,11,20,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0.875rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.topbar-title { font-size: 1rem; font-weight: 600; }
.topbar-actions { display: flex; align-items: center; gap: 0.75rem; }

/* ─── Page ──────────────────────────────────────────────────── */
.page-content {
  flex: 1;
  padding: 1.75rem 2rem;
  max-width: 1400px;
  width: 100%;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.page-header h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
.page-header p  { color: var(--text-secondary); font-size: 0.875rem; margin-top: 0.25rem; }

/* ─── Cards / Panels ────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.card-header {
  padding: 1.125rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.card-header h2 { font-size: 0.9rem; font-weight: 600; }
.card-body   { padding: 1.5rem; }
.card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.glass-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
}

/* ─── Stat Cards ────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color var(--duration) var(--ease), transform var(--duration) var(--ease);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}
.stat-card.up::before    { background: var(--success); }
.stat-card.down::before  { background: var(--danger); }
.stat-card.info::before  { background: var(--accent); }
.stat-card.warn::before  { background: var(--warning); }

.stat-card:hover { border-color: var(--border-light); transform: translateY(-2px); }

.stat-label  { font-size: 0.75rem; color: var(--text-muted); font-weight: 500; letter-spacing: 0.03em; }
.stat-value  { font-size: 2rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; }
.stat-sub    { font-size: 0.75rem; color: var(--text-secondary); }
.stat-icon   {
  position: absolute;
  top: 1.25rem; right: 1.25rem;
  font-size: 1.5rem;
  opacity: 0.15;
}

/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.125rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--duration) var(--ease);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.4;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-light);
}
.btn-secondary:hover { background: var(--bg-hover); border-color: rgba(255,255,255,0.2); color: var(--text-primary); }

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: rgba(239,68,68,0.3);
}
.btn-danger:hover { background: var(--danger); color: #fff; box-shadow: 0 4px 12px var(--danger-glow); }

.btn-success {
  background: var(--success-bg);
  color: var(--success);
  border-color: rgba(16,185,129,0.3);
}
.btn-success:hover { background: var(--success); color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--bg-elevated); color: var(--text-primary); }

.btn-sm   { padding: 0.3rem 0.75rem; font-size: 0.78rem; }
.btn-lg   { padding: 0.75rem 1.75rem; font-size: 0.95rem; }
.btn-full { width: 100%; justify-content: center; }
.btn-icon { padding: 0.45rem; }

/* ─── Forms ─────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  letter-spacing: 0.01em;
}
.form-label span.required { color: var(--danger); margin-left: 2px; }

.form-control {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: inherit;
  padding: 0.6rem 0.875rem;
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
  outline: none;
}
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:disabled { opacity: 0.5; cursor: not-allowed; }

select.form-control { appearance: none; cursor: pointer; padding-right: 2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
}

textarea.form-control { resize: vertical; min-height: 100px; }

.form-hint { font-size: 0.73rem; color: var(--text-muted); margin-top: 0.3rem; }
.form-error { font-size: 0.78rem; color: var(--danger); margin-top: 0.3rem; }

.form-row {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* Input con toggle password */
.input-group { position: relative; }
.input-group .form-control { padding-right: 2.75rem; }
.input-group-action {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0;
  line-height: 1;
  transition: color var(--duration);
}
.input-group-action:hover { color: var(--text-primary); }

/* Checkboxes */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.checkbox-label input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; }

/* ─── Tables ────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
thead th {
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr { transition: background var(--duration) var(--ease); }
tbody tr:hover { background: var(--bg-elevated); }
td .text-primary { color: var(--text-primary); font-weight: 500; }

/* ─── Badges / Status ───────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.badge-up      { background: var(--success-bg); color: var(--success); }
.badge-up::before { background: var(--success); box-shadow: 0 0 4px var(--success); }
.badge-down    { background: var(--danger-bg);   color: var(--danger); }
.badge-down::before { background: var(--danger); animation: pulse 1.5s infinite; }
.badge-degraded{ background: var(--warning-bg); color: var(--warning); }
.badge-degraded::before { background: var(--warning); }
.badge-unknown { background: rgba(100,116,139,0.15); color: var(--text-muted); }
.badge-unknown::before { background: var(--text-muted); }
.badge-error   { background: var(--danger-bg);  color: var(--danger); }
.badge-error::before { background: var(--danger); }
.badge-timeout { background: var(--warning-bg); color: var(--warning); }

.badge-role-super { background: rgba(99,102,241,0.15); color: var(--accent); }
.badge-role-viewer { background: rgba(34,211,238,0.1); color: var(--cyan); }

.badge-active   { background: var(--success-bg); color: var(--success); }
.badge-inactive { background: rgba(100,116,139,0.15); color: var(--text-muted); }

/* ─── Uptime Bar ────────────────────────────────────────────── */
.uptime-bar {
  height: 6px;
  border-radius: 99px;
  background: var(--bg-elevated);
  overflow: hidden;
}
.uptime-fill {
  height: 100%;
  border-radius: 99px;
  transition: width 0.5s var(--ease);
}
.uptime-fill.high   { background: linear-gradient(90deg, var(--success), #34d399); }
.uptime-fill.medium { background: linear-gradient(90deg, var(--warning), #fbbf24); }
.uptime-fill.low    { background: linear-gradient(90deg, var(--danger),  #f87171); }

/* ─── Sparkline ─────────────────────────────────────────────── */
.sparkline-wrap { display: flex; gap: 2px; height: 36px; align-items: flex-end; }
.spark-bar {
  flex: 1;
  border-radius: 2px 2px 0 0;
  min-height: 4px;
  transition: opacity var(--duration);
}
.spark-bar:hover { opacity: 0.7; }
.spark-up      { background: var(--success); }
.spark-down    { background: var(--danger); }
.spark-degraded{ background: var(--warning); }
.spark-unknown { background: var(--bg-elevated); }

/* ─── Alerts / Flash ────────────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1.125rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  border: 1px solid transparent;
  margin-bottom: 1rem;
  animation: slideDown 0.25s var(--ease);
}
.alert-success { background: var(--success-bg); border-color: rgba(16,185,129,0.25); color: var(--success); }
.alert-error   { background: var(--danger-bg);  border-color: rgba(239,68,68,0.25);  color: var(--danger); }
.alert-warning { background: var(--warning-bg); border-color: rgba(245,158,11,0.25); color: var(--warning); }
.alert-info    { background: var(--info-bg);    border-color: rgba(59,130,246,0.25);  color: var(--info); }
.alert-close   {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  opacity: 0.7;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
}
.alert-close:hover { opacity: 1; }

/* ─── Site Card (Dashboard Grid) ───────────────────────────── */
.sites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.site-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: all var(--duration) var(--ease);
  position: relative;
  overflow: hidden;
}
.site-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 3px;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}
.site-card.up::after      { background: var(--success); }
.site-card.down::after    { background: var(--danger); animation: pulse-border 2s infinite; }
.site-card.degraded::after{ background: var(--warning); }
.site-card.unknown::after { background: var(--text-muted); }

.site-card:hover { border-color: var(--border-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.site-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.site-name { font-weight: 900; font-size: 1.45rem; color: #ffffff; letter-spacing: -0.02em; line-height: 1.2; text-shadow: 0 2px 4px rgba(0,0,0,0.15); }
.site-url  { font-size: 0.76rem; color: var(--text-muted); margin-top: 4px; font-family: 'JetBrains Mono', monospace; }

.site-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 1rem 0;
}
.site-metric-label { font-size: 0.68rem; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }
.site-metric-value { font-size: 1.05rem; font-weight: 700; margin-top: 2px; }

.site-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding-top: 0.875rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ─── Pagination ────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 1.5rem;
  justify-content: center;
}
.page-btn {
  min-width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 0.83rem; font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration) var(--ease);
}
.page-btn:hover { background: var(--bg-elevated); color: var(--text-primary); }
.page-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ─── Modal ─────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fadeIn 0.15s ease;
}
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.2s var(--ease);
}
.modal-header { margin-bottom: 1.25rem; }
.modal-header h3 { font-size: 1.05rem; font-weight: 700; }
.modal-footer { display: flex; gap: 0.625rem; justify-content: flex-end; margin-top: 1.5rem; }

/* ─── Token Display ─────────────────────────────────────────── */
.token-display {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.625rem 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--cyan);
  word-break: break-all;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.token-display .copy-btn {
  margin-left: auto;
  flex-shrink: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  transition: color var(--duration);
  padding: 0;
}
.token-display .copy-btn:hover { color: var(--cyan); }

/* ─── Empty State ───────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 1rem; opacity: 0.4; }
.empty-state h3 { font-size: 1.05rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 0.5rem; }
.empty-state p  { font-size: 0.85rem; }

/* ─── Dropdown ──────────────────────────────────────────────── */
.dropdown { position: relative; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 160px;
  z-index: 150;
  overflow: hidden;
  animation: slideDown 0.15s var(--ease);
}
.dropdown-menu.show {
  display: block;
}
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  font-size: 0.83rem;
  color: var(--text-secondary);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  transition: all var(--duration) var(--ease);
  text-decoration: none;
}
.dropdown-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.dropdown-item.danger:hover { color: var(--danger); }
.dropdown-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ─── Loading Spinner ───────────────────────────────────────── */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--border-light);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
.spinner-lg { width: 32px; height: 32px; border-width: 3px; }

/* ─── Utilities ─────────────────────────────────────────────── */
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger)  !important; }
.text-warning { color: var(--warning) !important; }
.text-muted   { color: var(--text-muted) !important; }
.text-accent  { color: var(--accent)  !important; }
.text-cyan    { color: var(--cyan)    !important; }
.text-sm      { font-size: 0.8rem; }
.text-xs      { font-size: 0.72rem; }
.font-mono    { font-family: 'JetBrains Mono', monospace; }
.font-bold    { font-weight: 700; }
.fw-500       { font-weight: 500; }

.d-flex       { display: flex; }
.align-center { align-items: center; }
.justify-end  { justify-content: flex-end; }
.gap-1        { gap: 0.5rem; }
.gap-2        { gap: 1rem; }
.ml-auto      { margin-left: auto; }
.mt-1         { margin-top: 0.5rem; }
.mt-2         { margin-top: 1rem; }
.mt-3         { margin-top: 1.5rem; }
.mb-1         { margin-bottom: 0.5rem; }
.mb-2         { margin-bottom: 1rem; }
.mb-3         { margin-bottom: 1.5rem; }
.p-0          { padding: 0; }

.divider { height: 1px; background: var(--border); margin: 1.5rem 0; }

.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

/* ─── Animations ────────────────────────────────────────────── */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(239,68,68,0.4); }
  50%       { opacity: 0.7; box-shadow: 0 0 0 4px rgba(239,68,68,0); }
}
@keyframes pulse-border {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

/* ─── Skeleton loader ───────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-hover) 50%, var(--bg-elevated) 75%);
  background-size: 400px 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* ─── Checkbox container ────────────────────────────────────── */
.checkbox-container {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.checkbox-container input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--accent);
  flex-shrink: 0;
  cursor: pointer;
}

/* ─── Flash Wrapper ─────────────────────────────────────────── */
.flash-wrapper { padding: 1rem 2rem 0; }

/* ─── Settings Layout ───────────────────────────────────────── */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.5rem;
  align-items: start;
}

/* ─── Mobile Bottom Navigation ──────────────────────────────── */
.mobile-bottom-nav {
  display: none;
}

/* ─── Topbar hamburger – hidden on desktop ──────────────────── */
.topbar-hamburger { display: none; }
.topbar-chevron   { display: inline-block; }

/* ─── Responsive ─────────────────────────────────────────────── */

/* Tablet landscape (max 1200px) */
@media (max-width: 1200px) {
  .page-content { padding: 1.5rem; }
}

/* Tablet portrait / small desktop (max 900px) */
@media (max-width: 900px) {
  :root { --sidebar-w: 0px; }

  /* Sidebar: hidden by default, slides in as drawer */
  .sidebar {
    transform: translateX(-260px);
    box-shadow: none;
    z-index: 300;
  }
  .sidebar.open {
    transform: translateX(0);
    width: 260px;
    box-shadow: var(--shadow-lg);
  }

  /* Main shifts to full width */
  .main-content {
    margin-left: 0;
    /* Reserve space for bottom nav */
    padding-bottom: 64px;
  }

  /* Topbar adjustments */
  .topbar {
    padding: 0.75rem 1rem;
    position: sticky;
    top: 0;
    z-index: 200;
  }
  .topbar-hamburger { display: inline-flex; }
  .topbar-chevron   { display: none; }

  /* Reduce topbar title on mobile */
  .topbar-title { font-size: 0.9rem; max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

  /* Flash wrapper */
  .flash-wrapper { padding: 0.75rem 1rem 0; }

  /* Page content */
  .page-content { padding: 1rem; }

  /* Page header stack on mobile */
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
  }
  .page-header h1 { font-size: 1.25rem; }

  /* Stats grid: 2 cols on tablet */
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; margin-bottom: 1.25rem; }

  /* Sites grid: 1 col */
  .sites-grid { grid-template-columns: 1fr; }

  /* Tables – horizontal scroll */
  .table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .data-table { min-width: 600px; }

  /* Form rows stack on mobile */
  .form-row { flex-direction: column; gap: 0; }

  /* Card body padding reduced */
  .card-body { padding: 1rem; }
  .card-header { padding: 0.875rem 1rem; }

  /* Alerts dropdown: full width on mobile */
  .alerts-dropdown { width: calc(100vw - 2rem) !important; right: -0.5rem !important; }

  /* Bottom Nav visible */
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 250;
    background: var(--sidebar-bg);
    border-top: 1px solid var(--border-light);
    padding: 0 0.5rem;
    padding-bottom: env(safe-area-inset-bottom, 0);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.4);
  }

  .mobile-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 10px 4px;
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--duration) var(--ease);
    border-radius: var(--radius-sm);
    min-height: 56px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  .mobile-nav-item.active {
    color: var(--accent);
  }
  .mobile-nav-item:active {
    background: var(--bg-elevated);
  }
  .mobile-nav-icon {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .mobile-nav-icon svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
  }
  .mobile-nav-label {
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    line-height: 1;
  }

  /* Sidebar overlay */
  #sidebar-overlay { z-index: 299; }

  /* Settings layout stacks vertically */
  .settings-grid, .settings-container { grid-template-columns: 1fr !important; }

  /* Bigger touch targets for buttons */
  .btn { min-height: 40px; }
  .btn-sm { min-height: 34px; }
  .btn-icon { min-height: 40px; min-width: 40px; }

  /* Form controls more touch-friendly */
  .form-control, select.form-control { min-height: 44px; font-size: 16px !important; }

  /* Token display */
  .token-display { flex-wrap: wrap; }

  /* Modal full-width on mobile */
  .modal { border-radius: var(--radius-md); padding: 1.25rem; }

  /* Stat card value smaller */
  .stat-value { font-size: 1.6rem; }
}

/* Mobile portrait (max 480px) */
@media (max-width: 480px) {
  /* Single column stats */
  .stats-grid { grid-template-columns: 1fr; gap: 0.625rem; }

  /* Auth card narrower */
  .auth-card { padding: 1.5rem 1.125rem; }
  .auth-wrapper { padding: 1rem; }

  /* Topbar title shorter */
  .topbar-title { max-width: 110px; }

  /* Remove chevron in user btn on small mobile */
  .topbar-chevron { display: none; }

  /* Card footer buttons stack */
  .card-footer { flex-wrap: wrap; }

  /* Page header */
  .page-header h1 { font-size: 1.1rem; }

  /* Bottom nav labels even smaller */
  .mobile-nav-label { font-size: 0.58rem; }

  /* Modal */
  .modal-backdrop { padding: 0.5rem; }

  /* Site card metrics 2-col stays but smaller gap */
  .site-metrics { gap: 0.5rem; margin: 0.75rem 0; }
  .site-metric-value { font-size: 0.95rem; }

  /* Table text smaller */
  .data-table td, .data-table th { font-size: 0.78rem; padding: 0.5rem 0.75rem; }
}

/* PWA / Standalone mode on notched phones */
@media (display-mode: standalone) {
  .topbar {
    padding-top: calc(0.75rem + env(safe-area-inset-top, 0));
  }
}