/* ==========================================================================
   Estilos CSS Premium - Uptime Platform (Estilo HetrixTools / UptimeRobot)
   uptime.connectioncode.tech - Modo Oscuro Avanzado
   ========================================================================== */

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

:root {
  --bg-color: #0b0e17;
  --card-bg: #131929;
  --card-bg-hover: #182033;
  --card-border: rgba(255, 255, 255, 0.07);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --paused: #64748b;
  --radius: 12px;
  --transition: all 0.2s ease-in-out;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 28px;
}

/* Header Principal */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.title-section h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.title-section h1 span {
  color: var(--success);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: #fff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.btn-dark {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-main);
}

.btn-dark:hover {
  background: var(--card-bg-hover);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12.5px;
}

/* Barra de Filtros y Controles Superior */
.controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.left-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.selection-badge {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.right-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  justify-content: flex-end;
}

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

.search-box input {
  width: 100%;
  padding: 8px 12px 8px 34px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text-main);
  outline: none;
  font-size: 13px;
}

.search-box input:focus {
  border-color: var(--primary);
}

.search-icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
}

.select-filter {
  padding: 8px 12px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

/* Layout de 2 Columnas */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 310px;
  gap: 24px;
}

/* Lista de Monitores */
.monitors-list-wrapper {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.monitor-row {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: grid;
  grid-template-columns: auto 1fr auto auto auto auto auto;
  align-items: center;
  gap: 14px;
  transition: var(--transition);
}

.monitor-row:hover {
  background: var(--card-bg-hover);
  border-color: rgba(255, 255, 255, 0.14);
}

/* Badge con Flecha de Estado */
.circle-badge {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #fff;
  flex-shrink: 0;
}

.circle-badge.up {
  background-color: var(--success);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.4);
}

.circle-badge.down {
  background-color: var(--danger);
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.4);
}

.circle-badge.paused {
  background-color: var(--paused);
}

.monitor-main-info {
  min-width: 0;
}

.monitor-title {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-main);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.monitor-title:hover {
  color: var(--primary);
}

.monitor-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.monitor-sub.err {
  color: #f87171;
}

/* Etiqueta de Hora de Última Verificación */
.last-check-tag {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.04);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--card-border);
  white-space: nowrap;
}

.last-check-tag i {
  color: var(--primary);
}

/* Secuencia de Barras de Historial (Sparklines) */
.history-bars-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.bars-container {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 18px;
}

.bar-segment {
  width: 3.5px;
  height: 16px;
  border-radius: 2px;
  background-color: rgba(255, 255, 255, 0.1);
  transition: transform 0.15s ease;
}

.bar-segment:hover {
  transform: scaleY(1.2);
}

.bar-segment.up {
  background-color: var(--success);
}

.bar-segment.down {
  background-color: var(--danger);
}

.uptime-pct {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-muted);
  width: 40px;
  text-align: right;
}

.interval-tag {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Botón de Incidente */
.btn-incidente {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 600;
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
  cursor: pointer;
  transition: var(--transition);
}

.btn-incidente:hover {
  background: var(--danger);
  color: #fff;
}

/* Columna Lateral Derecha (Sidebar) */
.right-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
}

.sidebar-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}

.sidebar-card h3 span {
  color: var(--success);
}

/* Indicador de Estado Grande */
.status-indicator-box {
  text-align: center;
  margin-bottom: 20px;
}

.large-circle {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  margin: 0 auto 14px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
}

.large-circle.down {
  background-color: var(--danger);
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
}

.large-circle.up {
  background-color: var(--success);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

.status-counts-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  text-align: center;
  gap: 8px;
  padding: 12px 0;
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  margin-bottom: 16px;
}

.count-item .num {
  font-size: 20px;
  font-weight: 700;
}

.count-item .lbl {
  font-size: 11.5px;
  color: var(--text-muted);
}

.count-item.down .num { color: var(--danger); }
.count-item.up .num { color: var(--success); }
.count-item.paused .num { color: var(--paused); }

.usage-text {
  text-align: center;
  font-size: 12.5px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

/* Métricas 24 Horas */
.metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.metric-box .val {
  font-size: 22px;
  font-weight: 700;
}

.metric-box .lbl {
  font-size: 12px;
  color: var(--text-muted);
}

/* Menú desplegable de 3 puntos */
.dropdown-menu-wrapper {
  position: relative;
}

.dropdown-popover {
  position: absolute;
  right: 0;
  top: 100%;
  background: #1a2235;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  padding: 6px;
  min-width: 140px;
  z-index: 100;
  display: none;
}

.dropdown-popover.active {
  display: block;
}

.dropdown-popover button {
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 12.5px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dropdown-popover button:hover {
  background: rgba(255, 255, 255, 0.08);
}

.dropdown-popover button.danger:hover {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.15);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

.modal-card {
  background: #131929;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 520px;
  padding: 26px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 700;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  background: #0b0e17;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text-main);
  outline: none;
  font-size: 13.5px;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 9999;
}

.toast {
  padding: 12px 20px;
  border-radius: 8px;
  background: #1e293b;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  border-left: 4px solid var(--primary);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

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

/* Responsive layout */
@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}