/* =============================================
   AIMON - AI Cloud Monitoring - Modern UI
   ============================================= */

:root {
  --bg-primary: #0a0b10;
  --bg-secondary: #0f1019;
  --bg-card: rgba(17, 19, 30, 0.8);
  --bg-card-solid: #11131e;
  --bg-hover: rgba(30, 33, 50, 0.7);
  --bg-glass: rgba(20, 22, 35, 0.6);
  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(99, 102, 241, 0.3);
  --text-primary: #eef0f6;
  --text-secondary: #8b90a8;
  --text-muted: #505470;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --accent-subtle: rgba(99, 102, 241, 0.08);
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --success-glow: rgba(16, 185, 129, 0.2);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --danger-glow: rgba(239, 68, 68, 0.2);
  --info: #3b82f6;
  --info-bg: rgba(59, 130, 246, 0.1);
  --cyan: #06b6d4;
  --cyan-bg: rgba(6, 182, 212, 0.1);
  --sidebar-width: 250px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
}

/* Animated grid background */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
  pointer-events: none;
}

.bg-grid::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
  animation: bg-drift 20s ease-in-out infinite alternate;
}

@keyframes bg-drift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-5%, -3%); }
}

#app {
  display: flex;
  height: 100vh;
  position: relative;
  z-index: 1;
}

/* ---- Sidebar ---- */
#sidebar {
  width: var(--sidebar-width);
  background: rgba(12, 13, 20, 0.95);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

#sidebar::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent) 0%, transparent 30%, transparent 70%, var(--cyan) 100%);
  opacity: 0.3;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.logo-img {
  max-width: 100%;
  height: 34px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.3));
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  background: var(--accent-subtle);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 20px;
  padding: 4px 12px;
}

.logo-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 4px rgba(99, 102, 241, 0); }
}

.nav-menu {
  list-style: none;
  padding: 16px 12px;
  flex: 1;
  overflow-y: auto;
}

.nav-section-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  padding: 16px 16px 6px;
  margin-top: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
  margin-bottom: 4px;
  font-size: 13.5px;
  font-weight: 500;
  position: relative;
}

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(99, 102, 241, 0.08));
  color: white;
  border: 1px solid rgba(99, 102, 241, 0.25);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.1);
}

.nav-item.active .nav-icon {
  color: var(--accent-hover);
}

.nav-icon {
  width: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--success);
  font-weight: 500;
  letter-spacing: 0.3px;
}

.pulse-ring {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  position: relative;
  flex-shrink: 0;
}

.pulse-ring::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid var(--success);
  animation: pulse-ring-anim 2s ease-out infinite;
}

@keyframes pulse-ring-anim {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* ---- Main Content ---- */
#main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  border-bottom: 1px solid var(--border);
  background: rgba(12, 13, 20, 0.6);
  backdrop-filter: blur(12px);
}

.top-bar-left {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

#page-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.top-bar-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

#top-actions {
  display: flex;
  gap: 10px;
}

#page-content {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px;
}

#page-content::-webkit-scrollbar {
  width: 6px;
}
#page-content::-webkit-scrollbar-track {
  background: transparent;
}
#page-content::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: 0.2px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  color: white;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.45);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(40, 44, 65, 0.7);
  border-color: rgba(255, 255, 255, 0.1);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: white;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: white;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 11.5px;
  border-radius: 8px;
}

.btn-icon {
  padding: 7px 9px;
  font-size: 16px;
}

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.08);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

/* ---- Stats Grid ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.stat-card.stat-up::before { background: linear-gradient(90deg, var(--success), transparent); }
.stat-card.stat-down::before { background: linear-gradient(90deg, var(--danger), transparent); }
.stat-card.stat-warning::before { background: linear-gradient(90deg, var(--warning), transparent); }
.stat-card.stat-info::before { background: linear-gradient(90deg, var(--info), transparent); }

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.stat-icon.up { background: var(--success-bg); color: var(--success); }
.stat-icon.down { background: var(--danger-bg); color: var(--danger); }
.stat-icon.warning { background: var(--warning-bg); color: var(--warning); }
.stat-icon.info { background: var(--info-bg); color: var(--info); }

.stat-value {
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 500;
}

/* ---- Table ---- */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(12px);
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  background: rgba(20, 22, 35, 0.8);
}

th {
  text-align: left;
  padding: 14px 18px;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 14px 18px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: var(--bg-hover);
}

/* ---- Status Badge ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-up {
  background: var(--success-bg);
  color: var(--success);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.15);
}

.badge-down {
  background: var(--danger-bg);
  color: var(--danger);
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.15);
}

.badge-degraded {
  background: var(--warning-bg);
  color: var(--warning);
}

.badge-unknown, .badge-null {
  background: rgba(100, 100, 130, 0.1);
  color: var(--text-muted);
}

.badge-active {
  background: var(--success-bg);
  color: var(--success);
}

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

.badge-inactive {
  background: rgba(100, 100, 130, 0.1);
  color: var(--text-muted);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.badge-up .badge-dot { animation-name: badge-pulse; }
.badge-down .badge-dot { animation: none; }

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

.form-group label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: rgba(10, 11, 16, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.form-group .checkbox-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-group .checkbox-wrap input {
  width: auto;
}

/* ---- Filter Bar ---- */
.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  backdrop-filter: blur(12px);
}

.filter-bar .form-group {
  margin-bottom: 0;
  flex: 1;
  min-width: 150px;
}

.filter-bar select {
  padding: 8px 12px;
  font-size: 13px;
  background: rgba(10, 11, 16, 0.6);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: inherit;
}

.filter-bar select:focus {
  outline: none;
  border-color: var(--accent);
}

/* ---- Modal ---- */
#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(8px);
  animation: modal-bg-in 0.2s ease;
}

@keyframes modal-bg-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

#modal {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 580px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modal-in 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

#modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 26px;
  border-bottom: 1px solid var(--border);
}

#modal-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

#modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: var(--transition);
  display: flex;
}

#modal-close:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

#modal-body {
  padding: 26px;
}

.hidden {
  display: none !important;
}

/* ---- Toast ---- */
#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 14px 22px;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  animation: toast-in 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 280px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.toast-success {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.9), rgba(5, 150, 105, 0.9));
  color: white;
}

.toast-error {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.9), rgba(220, 38, 38, 0.9));
  color: white;
}

.toast-info {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(37, 99, 235, 0.9));
  color: white;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(40px) scale(0.95); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

/* ---- Template Cards ---- */
.template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}

.template-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.template-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), transparent);
  opacity: 0;
  transition: var(--transition);
}

.template-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.15);
}

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

.template-card.selected {
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.08);
  box-shadow: 0 0 24px rgba(99, 102, 241, 0.15);
}

.template-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
  position: relative;
}

.template-card-icon {
  font-size: 26px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-subtle), var(--cyan-bg));
  border-radius: 12px;
  border: 1px solid rgba(99, 102, 241, 0.1);
}

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

.template-card-desc {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---- Asset Detail ---- */
.asset-detail-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
}

.asset-detail-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  background: linear-gradient(135deg, var(--accent-subtle), var(--cyan-bg));
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-lg);
}

.asset-detail-info h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.asset-detail-info p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}

.config-item {
  background: rgba(10, 11, 16, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  transition: var(--transition);
}

.config-item:hover {
  border-color: rgba(255, 255, 255, 0.08);
}

.config-item-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 4px;
  font-weight: 600;
}

.config-item-value {
  font-size: 14px;
  font-weight: 600;
  word-break: break-all;
}

/* ---- History Chart ---- */
.history-bar {
  display: flex;
  gap: 2px;
  height: 36px;
  margin-bottom: 28px;
  padding: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.history-bar-item {
  flex: 1;
  border-radius: 4px;
  min-width: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.history-bar-item:hover {
  transform: scaleY(1.3);
  filter: brightness(1.2);
}

.history-bar-item.up { background: var(--success); box-shadow: 0 0 6px var(--success-glow); }
.history-bar-item.down { background: var(--danger); box-shadow: 0 0 6px var(--danger-glow); }
.history-bar-item.degraded { background: var(--warning); }
.history-bar-item.unknown { background: var(--border); }

/* ---- Empty State ---- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
}

.empty-state-icon {
  font-size: 52px;
  margin-bottom: 16px;
  opacity: 0.4;
  filter: grayscale(0.3);
}

.empty-state-text {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  max-width: 400px;
  line-height: 1.6;
}

/* ---- Loading ---- */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---- Clickable row ---- */
.clickable-row {
  cursor: pointer;
}

/* ---- Back button ---- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  margin-bottom: 20px;
  padding: 6px 12px;
  border-radius: 8px;
  transition: var(--transition);
}

.back-link:hover {
  color: var(--accent);
  background: var(--accent-subtle);
}

/* ---- Section Headers ---- */
.section-header {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  #sidebar {
    width: 64px;
  }
  #sidebar::after { display: none; }
  .logo-badge, .sidebar-footer span, .nav-item span:not(.nav-icon), .nav-section-label {
    display: none;
  }
  .nav-item {
    justify-content: center;
    padding: 12px;
  }
  .sidebar-header {
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .logo {
    justify-content: center;
  }
  .logo-img {
    height: 24px;
  }
  .sidebar-footer {
    justify-content: center;
    padding: 12px;
  }
  #page-content {
    padding: 16px;
  }
  #top-bar {
    padding: 14px 16px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---- Cloud Vendors ---- */
.vendor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.vendor-card {
  cursor: pointer;
  transition: var(--transition);
}

.vendor-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.vendor-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.vendor-provider-icon {
  font-size: 32px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-hover);
  border-radius: var(--radius);
}

.vendor-card-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.vendor-card-provider {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.vendor-card-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
  padding: 12px;
  background: var(--bg-hover);
  border-radius: var(--radius);
}

.vendor-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.vendor-meta-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  font-weight: 600;
}

.vendor-cost {
  font-weight: 700;
  color: var(--success);
}

.vendor-card-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ---- Cost Styles ---- */
.cost-amount {
  font-weight: 700;
  color: var(--success);
  font-variant-numeric: tabular-nums;
}

.cost-bar-chart {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 24px;
}

.cost-bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
}

.cost-bar-row + .cost-bar-row {
  border-top: 1px solid var(--border);
}

.cost-bar-label {
  width: 80px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.cost-bar-track {
  flex: 1;
  height: 24px;
  background: var(--bg-hover);
  border-radius: 12px;
  overflow: hidden;
}

.cost-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  border-radius: 12px;
  transition: width 0.6s ease;
  min-width: 4px;
}

.cost-bar-value {
  width: 100px;
  text-align: right;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  flex-shrink: 0;
}

.cost-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.cost-category-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.cost-category-item:hover {
  border-color: var(--accent);
}

.cost-cat-icon {
  font-size: 24px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-hover);
  border-radius: var(--radius);
  flex-shrink: 0;
}

.cost-cat-info {
  flex: 1;
}

.cost-cat-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.cost-cat-amount {
  font-size: 15px;
  font-weight: 700;
  color: var(--success);
  margin-top: 2px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.detail-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  font-weight: 600;
}