/* ============================================================
   绿色科技风格 Dashboard 统一主题
   ============================================================ */

/* CSS Variables */
:root {
  --bg-primary: #05140a;
  --bg-secondary: #0a1f14;
  --bg-panel: rgba(10, 35, 22, 0.85);
  --bg-card: rgba(15, 45, 28, 0.9);
  --green-primary: #00e676;
  --green-secondary: #00c853;
  --green-dark: #009624;
  --cyan: #00bcd4;
  --yellow: #ffd600;
  --red: #ff5252;
  --orange: #ffab40;
  --text-primary: #e8f5e9;
  --text-secondary: #a5d6a7;
  --text-muted: #66bb6a;
  --border-green: rgba(0, 230, 118, 0.3);
  --border-green-bright: rgba(0, 230, 118, 0.6);
  --shadow-green: 0 0 20px rgba(0, 230, 118, 0.15);
  --shadow-green-strong: 0 0 30px rgba(0, 230, 118, 0.25);
}

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

html, body {
  width: 100%;
  height: 100%;
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
}

/* Grid Background Effect */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 230, 118, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 230, 118, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* Scan Line Effect */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 230, 118, 0.015) 2px,
    rgba(0, 230, 118, 0.015) 4px
  );
  pointer-events: none;
  z-index: 0;
}

/* ============================================================
   Navigation Bar
   ============================================================ */
.db-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: linear-gradient(180deg, rgba(5, 20, 10, 0.95) 0%, rgba(10, 35, 22, 0.9) 100%);
  border-bottom: 1px solid var(--border-green);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 1000;
  backdrop-filter: blur(12px);
}

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

.db-nav-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--green-primary), var(--green-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(0, 230, 118, 0.3);
}

.db-nav-logo svg {
  width: 20px;
  height: 20px;
  color: #fff;
}

.db-nav-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--green-primary);
  letter-spacing: 1px;
  text-shadow: 0 0 10px rgba(0, 230, 118, 0.4);
}

.db-nav-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 8px;
  padding-left: 8px;
  border-left: 1px solid var(--border-green);
}

.db-nav-menu {
  display: flex;
  gap: 4px;
}

.db-nav-link {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.db-nav-link:hover {
  color: var(--green-primary);
  background: rgba(0, 230, 118, 0.08);
  border-color: var(--border-green);
}

.db-nav-link.active {
  color: var(--bg-primary);
  background: linear-gradient(135deg, var(--green-primary), var(--green-secondary));
  border-color: var(--green-primary);
  box-shadow: var(--shadow-green);
  font-weight: 600;
}

.db-nav-back {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  border: 1px solid var(--border-green);
  transition: all 0.3s ease;
}

.db-nav-back:hover {
  color: var(--green-primary);
  background: rgba(0, 230, 118, 0.08);
  box-shadow: var(--shadow-green);
}

.db-nav-time {
  font-size: 13px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  font-family: 'Consolas', monospace;
}

/* ============================================================
   Layout
   ============================================================ */
.db-container {
  position: relative;
  z-index: 1;
  height: 100vh;
  padding-top: 56px;
  display: flex;
  flex-direction: column;
}

.db-main {
  flex: 1;
  overflow: hidden;
  padding: 16px;
  display: grid;
  gap: 16px;
}

/* ============================================================
   Cards & Panels
   ============================================================ */
.db-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-green);
  border-radius: 12px;
  padding: 20px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}

.db-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green-primary), transparent);
  opacity: 0.6;
}

.db-panel::after {
  content: '';
  position: absolute;
  top: 8px;
  right: 8px;
  width: 6px;
  height: 6px;
  border-top: 2px solid var(--green-primary);
  border-right: 2px solid var(--green-primary);
  opacity: 0.5;
}

.db-panel:hover {
  border-color: var(--border-green-bright);
  box-shadow: var(--shadow-green);
}

.db-panel-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--green-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.db-panel-title::before {
  content: '';
  width: 4px;
  height: 16px;
  background: linear-gradient(180deg, var(--green-primary), var(--green-dark));
  border-radius: 2px;
}

/* ============================================================
   Metrics & Stats
   ============================================================ */
.db-metric {
  background: var(--bg-card);
  border: 1px solid var(--border-green);
  border-radius: 10px;
  padding: 16px 20px;
  position: relative;
  overflow: hidden;
}

.db-metric-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.db-metric-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--green-primary);
  font-family: 'Consolas', 'Segoe UI', monospace;
  text-shadow: 0 0 10px rgba(0, 230, 118, 0.3);
}

.db-metric-unit {
  font-size: 14px;
  color: var(--text-secondary);
  margin-left: 4px;
}

.db-metric-change {
  font-size: 12px;
  margin-top: 4px;
}

.db-metric-change.up { color: var(--green-primary); }
.db-metric-change.down { color: var(--red); }

.db-metric-icon {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(0, 230, 118, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.db-metric-icon svg {
  width: 18px;
  height: 18px;
  color: var(--green-primary);
}

/* ============================================================
   Status Indicators
   ============================================================ */
.db-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.db-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  position: relative;
}

.db-status-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  opacity: 0.3;
  animation: statusPulse 2s ease-in-out infinite;
}

.db-status-dot.online {
  background: var(--green-primary);
  box-shadow: 0 0 8px var(--green-primary);
}
.db-status-dot.online::after { background: var(--green-primary); }

.db-status-dot.offline {
  background: #666;
}
.db-status-dot.offline::after { animation: none; }

.db-status-dot.alert {
  background: var(--yellow);
  box-shadow: 0 0 8px var(--yellow);
}
.db-status-dot.alert::after { background: var(--yellow); }

.db-status-dot.danger {
  background: var(--red);
  box-shadow: 0 0 8px var(--red);
}
.db-status-dot.danger::after { background: var(--red); }

@keyframes statusPulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.5); opacity: 0; }
}

/* ============================================================
   Buttons
   ============================================================ */
.db-btn {
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border-green);
  background: transparent;
  color: var(--text-secondary);
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.db-btn:hover {
  background: rgba(0, 230, 118, 0.1);
  color: var(--green-primary);
  border-color: var(--green-primary);
  box-shadow: var(--shadow-green);
}

.db-btn-primary {
  background: linear-gradient(135deg, var(--green-primary), var(--green-dark));
  color: #fff;
  border-color: transparent;
  font-weight: 600;
}

.db-btn-primary:hover {
  background: linear-gradient(135deg, var(--green-secondary), var(--green-dark));
  box-shadow: var(--shadow-green-strong);
}

.db-btn-danger {
  background: linear-gradient(135deg, var(--red), #c62828);
  color: #fff;
  border-color: transparent;
}

/* ============================================================
   Forms & Inputs
   ============================================================ */
.db-input,
.db-select {
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-green);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 14px;
  transition: all 0.3s ease;
}

.db-input:focus,
.db-select:focus {
  outline: none;
  border-color: var(--green-primary);
  box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.15);
}

.db-input::placeholder {
  color: var(--text-muted);
}

.db-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Range Slider */
.db-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--green-dark), var(--green-primary));
  outline: none;
}

.db-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--green-primary);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(0, 230, 118, 0.5);
  border: 2px solid #fff;
}

/* ============================================================
   Lists & Tables
   ============================================================ */
.db-list {
  list-style: none;
}

.db-list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 8px;
  background: var(--bg-card);
  border: 1px solid transparent;
  transition: all 0.3s ease;
  cursor: pointer;
}

.db-list-item:hover {
  border-color: var(--border-green);
  background: rgba(0, 230, 118, 0.05);
}

.db-list-item.active {
  border-color: var(--green-primary);
  background: rgba(0, 230, 118, 0.1);
}

/* ============================================================
   Tags & Badges
   ============================================================ */
.db-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.db-tag-green {
  background: rgba(0, 230, 118, 0.15);
  color: var(--green-primary);
  border: 1px solid rgba(0, 230, 118, 0.3);
}

.db-tag-yellow {
  background: rgba(255, 214, 0, 0.15);
  color: var(--yellow);
  border: 1px solid rgba(255, 214, 0, 0.3);
}

.db-tag-red {
  background: rgba(255, 82, 82, 0.15);
  color: var(--red);
  border: 1px solid rgba(255, 82, 82, 0.3);
}

.db-tag-blue {
  background: rgba(0, 188, 212, 0.15);
  color: var(--cyan);
  border: 1px solid rgba(0, 188, 212, 0.3);
}

/* ============================================================
   Animations
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scanLine {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

@keyframes borderGlow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.db-animate-in {
  animation: fadeIn 0.5s ease forwards;
}

/* ============================================================
   Scrollbar
   ============================================================ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--green-dark);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--green-primary);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .db-nav-menu {
    display: none;
  }

  .db-nav {
    padding: 0 16px;
  }
}