/* ==========================================================================
   UptimePulse - Compact Light Theme & High-Density UI System
   Clean, Professional, SaaS Uptime Monitor Aesthetics (UptimeRobot Style)
   ========================================================================== */

:root {
  /* Surface & Backgrounds */
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f1f5f9;
  --bg-surface-active: #e2e8f0;
  --bg-input: #ffffff;
  --bg-tag: #f1f5f9;

  /* Borders & Dividers */
  --border-light: #f1f5f9;
  --border-color: #e2e8f0;
  --border-dark: #cbd5e1;
  --border-focus: #4f46e5;

  /* Typography */
  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-dim: #94a3b8;

  /* Brand Colors */
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-bg: #eef2ff;
  --primary-border: #c7d2fe;

  /* Status Colors */
  --success: #10b981;
  --success-dark: #059669;
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;

  --danger: #ef4444;
  --danger-dark: #dc2626;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;

  --warning: #f59e0b;
  --warning-dark: #d97706;
  --warning-bg: #fffbeb;
  --warning-border: #fde68a;

  --discord: #5865F2;
  --discord-hover: #4752C4;
  --discord-bg: #f0f2fe;

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);

  /* Fonts */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, Monaco, Consolas, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-main);
  color: var(--text-body);
  font-family: var(--font-main);
  font-size: 13px;
  line-height: 1.45;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.app-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 12px 16px;
}

/* Navbar */
.navbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 8px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-xs);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-main);
}

.brand-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #4f46e5, #06b6d4);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: bold;
}

.brand-info h1 {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-main);
  line-height: 1.1;
}

.brand-info span {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 5px 10px;
  font-size: 0.775rem;
  font-weight: 600;
  font-family: inherit;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-body);
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-dark);
  color: var(--text-main);
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #ffffff;
}

.btn-discord {
  background: var(--discord-bg);
  border-color: #d5d9fb;
  color: var(--discord);
}

.btn-discord:hover {
  background: var(--discord);
  border-color: var(--discord);
  color: #ffffff;
}

.btn-icon {
  width: 26px;
  height: 26px;
  padding: 0;
  font-size: 0.75rem;
}

.btn-xs {
  padding: 3px 7px;
  font-size: 0.725rem;
  border-radius: var(--radius-xs);
}

/* Stats Header Bar */
.stats-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  box-shadow: var(--shadow-xs);
}

.stats-chips-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}

.stat-chip-label {
  color: var(--text-muted);
  font-weight: 500;
}

.stat-chip-val {
  font-weight: 700;
  color: var(--text-main);
  font-family: var(--font-mono);
}

.stat-chip.chip-success {
  background: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success-dark);
}

.stat-chip.chip-success .stat-chip-val {
  color: var(--success-dark);
}

.stat-chip.chip-danger {
  background: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger-dark);
}

.stat-chip.chip-danger .stat-chip-val {
  color: var(--danger-dark);
}

.system-status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success);
  position: relative;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 50%;
  border: 1.5px solid var(--success);
  animation: pulse-ring 2s infinite ease-out;
}

.pulse-dot.down {
  background-color: var(--danger);
}

.pulse-dot.down::after {
  border-color: var(--danger);
}

@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 0.9; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.search-box {
  position: relative;
  width: 260px;
}

.search-icon {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 0.75rem;
}

.search-input {
  width: 100%;
  padding: 5px 8px 5px 26px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.775rem;
  outline: none;
  transition: all 0.15s ease;
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-bg);
}

.filter-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.select-filter {
  padding: 5px 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.75rem;
  outline: none;
  cursor: pointer;
}

.tab-btn {
  padding: 4px 9px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tab-btn.active {
  background: var(--primary-bg);
  border-color: var(--primary-border);
  color: var(--primary);
}

.tab-btn:hover:not(.active) {
  background: var(--bg-surface-hover);
  color: var(--text-main);
}

/* Data Table */
.table-frame {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  margin-bottom: 16px;
}

.monitor-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.monitor-table th {
  background: #f8fafc;
  padding: 7px 10px;
  font-weight: 700;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.monitor-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-body);
  vertical-align: middle;
  font-size: 0.775rem;
}

.monitor-table tr:hover td {
  background-color: #f8fafc;
}

.monitor-table tr.row-down td {
  background-color: #fff8f8;
}

.monitor-table tr.row-paused td {
  opacity: 0.7;
}

/* Status Badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  font-size: 0.675rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.badge-up {
  background: var(--success-bg);
  color: var(--success-dark);
  border: 1px solid var(--success-border);
}

.badge-down {
  background: var(--danger-bg);
  color: var(--danger-dark);
  border: 1px solid var(--danger-border);
}

.badge-paused {
  background: #f1f5f9;
  color: var(--text-muted);
  border: 1px solid #e2e8f0;
}

.badge-pending {
  background: var(--warning-bg);
  color: var(--warning-dark);
  border: 1px solid var(--warning-border);
}

/* Website Identity */
.website-identity {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.website-name-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}

.website-name {
  font-weight: 700;
  color: var(--text-main);
  font-size: 0.825rem;
}

.client-tag {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: var(--radius-xs);
  background: #f1f5f9;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.website-url {
  font-size: 0.725rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.website-url:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* History Mini Strip */
.history-strip-container {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 140px;
  max-width: 200px;
}

.history-bars-strip {
  display: flex;
  align-items: center;
  gap: 1.5px;
  height: 16px;
  background: #f1f5f9;
  padding: 1px;
  border-radius: var(--radius-xs);
}

.mini-bar {
  flex: 1;
  height: 100%;
  border-radius: 1px;
  background-color: var(--success);
  cursor: pointer;
  position: relative;
  transition: opacity 0.1s ease;
}

.mini-bar:hover {
  opacity: 0.7;
}

.mini-bar.bar-down { background-color: var(--danger); }
.mini-bar.bar-degraded { background-color: var(--warning); }
.mini-bar.bar-no_data { background-color: #cbd5e1; }

.mini-bar[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  background: #0f172a;
  color: #fff;
  padding: 3px 6px;
  border-radius: var(--radius-xs);
  font-size: 0.675rem;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  z-index: 50;
  pointer-events: none;
}

.history-strip-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  color: var(--text-dim);
}

/* SSL Badges */
.ssl-pill {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: var(--radius-xs);
  white-space: nowrap;
}

.ssl-valid {
  background: var(--success-bg);
  color: var(--success-dark);
}

.ssl-expiring {
  background: var(--warning-bg);
  color: var(--warning-dark);
}

.ssl-expired {
  background: var(--danger-bg);
  color: var(--danger-dark);
}

.mono-cell {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
}

.action-btn-group {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

/* Section Header */
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 14px 0 8px 0;
}

.section-head h3 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 540px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(12px) scale(0.98);
  transition: all 0.2s ease;
}

.modal-box.modal-lg {
  max-width: 780px;
}

.modal-backdrop.active .modal-box {
  transform: translateY(0) scale(1);
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  background: #f8fafc;
}

.modal-head h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-main);
}

.modal-body {
  padding: 16px;
}

.modal-foot {
  padding: 10px 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  background: #f8fafc;
}

/* Form Controls */
.form-group {
  margin-bottom: 12px;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-main);
}

.form-input, .form-select, textarea.form-input {
  width: 100%;
  padding: 6px 9px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.775rem;
  outline: none;
  transition: all 0.15s ease;
}

.form-input:focus, .form-select:focus, textarea.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-bg);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.form-hint {
  font-size: 0.675rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
  font-size: 0.75rem;
}

.form-check input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--primary);
}

/* Toasts */
.toast-container {
  position: fixed;
  bottom: 16px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.toast {
  background: #0f172a;
  color: #ffffff;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  border-left: 3px solid var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
  animation: slide-in 0.2s ease-out;
  min-width: 220px;
}

.toast.toast-success { border-left-color: var(--success); }
.toast.toast-error { border-left-color: var(--danger); }
.toast.toast-discord { border-left-color: var(--discord); }

@keyframes slide-in {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@media (max-width: 900px) {
  .table-frame {
    overflow-x: auto;
  }
  .monitor-table {
    min-width: 750px;
  }
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
}