/* ==============================================================================
   Grafana Dark Theme - Server Monitoring System Design
   ============================================================================== */

:root {
  --bg-dark: #0b0c10;
  --panel-bg: #181b1f;
  --panel-header-bg: #1f2329;
  --table-border: #2c323d;
  --text-main: #d8d9da;
  --text-muted: #8e9297;
  --text-heading: #ffffff;
  
  --card-blue-from: #1f78d1;
  --card-blue-to: #1157a3;
  --card-green-from: #299c46;
  --card-green-to: #1d7331;
  --card-red-from: #d44a3a;
  --card-red-to: #a12b1d;

  --accent-cyan: #38bdf8;
  --status-up: #36b356;
  --status-down: #f85149;
  
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

/* Header Navbar */
.navbar {
  background-color: var(--panel-bg);
  border-bottom: 1px solid var(--table-border);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.brand-icon {
  color: #38bdf8;
  display: flex;
  align-items: center;
}

.breadcrumb {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-sub {
  color: var(--text-muted);
  font-weight: 400;
}

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

/* Buttons */
.btn {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease-in-out;
}

.btn-primary {
  background-color: #2563eb;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #1d4ed8;
}

.btn-secondary {
  background-color: #2a2f3a;
  color: var(--text-main);
  border-color: var(--table-border);
}

.btn-secondary:hover {
  background-color: #373e4d;
  color: #ffffff;
}

.btn-danger {
  background-color: rgba(224, 47, 68, 0.2);
  color: #f85149;
  border-color: rgba(224, 47, 68, 0.4);
}

.btn-danger:hover {
  background-color: #e02f44;
  color: #ffffff;
}

.btn-icon {
  padding: 8px;
  border-radius: 6px;
  background: #20242c;
  color: var(--text-muted);
  border: 1px solid var(--table-border);
}

.btn-icon:hover {
  color: #ffffff;
  background: #2a2f3a;
}

/* Dashboard Container */
.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 24px;
}

/* Top Stat Metric Cards Grid */
.stat-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 1024px) {
  .stat-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .stat-cards-grid {
    grid-template-columns: 1fr;
  }
}

.stat-card {
  border-radius: 6px;
  padding: 20px 24px;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 130px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

.stat-card.blue {
  background: linear-gradient(135deg, var(--card-blue-from), var(--card-blue-to));
}

.stat-card.green {
  background: linear-gradient(135deg, var(--card-green-from), var(--card-green-to));
}

.stat-card.red {
  background: linear-gradient(135deg, var(--card-red-from), var(--card-red-to));
}

.stat-card-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.9;
  text-align: center;
}

.stat-card-value {
  font-size: 54px;
  font-weight: 800;
  line-height: 1;
  text-align: center;
  margin-top: 8px;
}

/* Server Status Table Container */
.panel {
  background-color: var(--panel-bg);
  border: 1px solid var(--table-border);
  border-radius: 6px;
  overflow: hidden;
}

.panel-header {
  background-color: var(--panel-header-bg);
  padding: 14px 20px;
  border-bottom: 1px solid var(--table-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-heading);
  text-align: center;
  width: 100%;
}

.table-controls {
  padding: 12px 20px;
  background-color: #14171c;
  border-bottom: 1px solid var(--table-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  max-width: 320px;
}

.search-input {
  width: 100%;
  padding: 8px 12px 8px 36px;
  background-color: #1e222b;
  border: 1px solid var(--table-border);
  border-radius: 6px;
  color: var(--text-heading);
  font-size: 13px;
}

.search-input:focus {
  outline: none;
  border-color: #38bdf8;
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.table-filters {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-chip {
  padding: 5px 12px;
  border-radius: 20px;
  background: #1e222b;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  border: 1px solid var(--table-border);
}

.filter-chip.active {
  background: #2563eb;
  color: #ffffff;
  border-color: #2563eb;
}

/* Data Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

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

.data-table th {
  background-color: var(--panel-header-bg);
  color: #38bdf8;
  font-size: 12px;
  font-weight: 600;
  padding: 14px 16px;
  border-bottom: 1px solid var(--table-border);
  white-space: nowrap;
  user-select: none;
  cursor: pointer;
}

.data-table th:hover {
  color: #ffffff;
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--table-border);
  color: var(--text-main);
  font-size: 13px;
  white-space: nowrap;
}

.data-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.03);
}

/* Status Pill */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 4px;
}

.status-pill.up {
  color: var(--status-up);
  background-color: rgba(54, 179, 86, 0.12);
  border: 1px solid rgba(54, 179, 86, 0.3);
}

.status-pill.down {
  color: var(--status-down);
  background-color: rgba(248, 81, 73, 0.12);
  border: 1px solid rgba(248, 81, 73, 0.3);
}

/* Metric Progress Bar */
.progress-bar-container {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 130px;
}

.progress-bar-track {
  flex: 1;
  height: 6px;
  background-color: #282d37;
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s ease;
}

.progress-bar-fill.normal { background-color: var(--status-up); }
.progress-bar-fill.warning { background-color: #f59e0b; }
.progress-bar-fill.critical { background-color: var(--status-down); }

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

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

.modal-card {
  background-color: var(--panel-bg);
  border: 1px solid var(--table-border);
  border-radius: 8px;
  width: 100%;
  max-width: 520px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--table-border);
  padding-bottom: 12px;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-heading);
}

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

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background-color: #121418;
  border: 1px solid var(--table-border);
  border-radius: 6px;
  color: var(--text-heading);
  font-size: 14px;
}

.form-control:focus {
  outline: none;
  border-color: #38bdf8;
}

.code-box {
  background-color: #0d0e11;
  border: 1px solid var(--table-border);
  border-radius: 6px;
  padding: 12px;
  font-family: monospace;
  font-size: 12px;
  color: #38bdf8;
  word-break: break-all;
  user-select: all;
  margin-top: 8px;
}