@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(96, 165, 250, 0.15);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #60a5fa;
  --accent-purple: #a78bfa;
  --accent-gradient: linear-gradient(135deg, #60a5fa, #a78bfa);
  --green: #34d399;
  --green-glow: rgba(52, 211, 153, 0.25);
  --red: #f87171;
  --red-glow: rgba(248, 113, 113, 0.25);
  --yellow: #fbbf24;
  --gold: #f59e0b;
  --cyan: #22d3ee;
  --radius: 12px;
  --radius-sm: 8px;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', system-ui, sans-serif;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { font-size: 16px; -webkit-tap-highlight-color: transparent; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(96, 165, 250, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(167, 139, 250, 0.06), transparent);
  pointer-events: none;
  z-index: 0;
}

  //body::after {
  //  content: '';
  //  position: fixed;
  //  inset: 0;
  //  background-image:
  //    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
  //    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  //  background-size: 60px 60px;
  //  pointer-events: none;
  //  z-index: 0;
  //}

.container {
  position: relative;
  z-index: 1;
  max-width: 480px;
  margin: 0 auto;
  padding: 0 16px 80px;
}

/* ===== Header ===== */
.header {
  padding: 24px 0 8px;
  text-align: center;
}
.header h1 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.header .sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  margin-top: 2px;
}

/* ===== Status Bar ===== */
.status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0 12px;
  font-size: 0.72rem;
  color: var(--text-muted);
}
.status-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.sync-status {
  display: flex;
  align-items: center;
  gap: 4px;
}
.sync-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}
.sync-dot.offline { background: var(--red); animation: none; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ===== Main Tabs ===== */
.main-tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}
.main-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 6px;
  transition: all var(--transition);
  user-select: none;
}
.main-tab:hover {
  color: var(--text-secondary);
  background: var(--bg-card-hover);
}
.main-tab.active {
  color: var(--accent-blue);
  background: rgba(96, 165, 250, 0.12);
  font-weight: 500;
}

/* ===== Auth Modal ===== */
.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  padding: 20px;
}
.auth-card {
  width: 100%;
  max-width: 360px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
}
.auth-header {
  text-align: center;
  margin-bottom: 28px;
}
.auth-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(96, 165, 250, 0.1);
  border: 1px solid rgba(96, 165, 250, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--accent-blue);
}
.auth-header h2 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.auth-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.1em;
}
.auth-error {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.2);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 0.78rem;
  color: var(--red);
  margin-bottom: 16px;
  text-align: center;
}
.auth-field {
  margin-bottom: 16px;
}
.auth-field label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}
.auth-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.auth-input-wrap input {
  width: 100%;
  padding: 12px 44px 12px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-mono);
  outline: none;
  transition: border-color var(--transition);
}
.auth-input-wrap input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
}
.auth-input-wrap input::placeholder {
  color: var(--text-muted);
}
.auth-toggle-pw {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  display: flex;
}
.auth-toggle-pw:hover { color: var(--text-secondary); }
.auth-remember {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  cursor: pointer;
  margin-bottom: 20px;
  user-select: none;
}
.auth-remember input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--border-card);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
}
.auth-remember input[type="checkbox"]:checked {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
}
.auth-remember input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 4px; top: 1px;
  width: 5px; height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.auth-submit {
  width: 100%;
  padding: 12px;
  background: var(--accent-gradient);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
  letter-spacing: 0.05em;
}
.auth-submit:hover { opacity: 0.9; }
.auth-submit:active { transform: scale(0.98); }
.auth-submit:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== Sections ===== */
.section { display: none; animation: fadeIn 0.3s ease; }
.section.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ===== Glass Card ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: background var(--transition), border-color var(--transition);
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}
.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
}
.card-title {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

/* ===== Device Selector ===== */
.device-selector {
  display: grid;
  justify-content: center;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding-bottom: 12px;
  margin-bottom: 12px;
}

.device-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 2px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}
.device-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
}
.device-card.active {
  background: rgba(96, 165, 250, 0.08);
  border-color: var(--accent-blue);
  box-shadow: 0 0 12px rgba(96, 165, 250, 0.1);
}
.device-card.offline {
  opacity: 0.45;
}
.device-card.offline:hover {
  opacity: 0.6;
}
.device-card.offline.active {
  opacity: 0.7;
  border-color: var(--red);
  background: rgba(248, 113, 113, 0.08);
  box-shadow: 0 0 12px rgba(248, 113, 113, 0.1);
}

.device-icon {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.device-card.active .device-icon { color: var(--accent-blue); }
.device-card.offline .device-icon { color: var(--text-muted); }

.device-name {
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.2;
  max-width: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.device-card.active .device-name { color: var(--text-primary); }

.device-meta {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 0.58rem;
  color: var(--text-muted);
}

/* ===== Status Dot ===== */
.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.status-dot.online {
  background: var(--green);
  box-shadow: 0 0 6px var(--green-glow);
}
.status-dot.offline {
  background: var(--red);
  box-shadow: 0 0 6px var(--red-glow);
}

/* ===== Terminal Panel ===== */
.terminal-panel {
  width: 100%;
  height: 420px;
  background: #0d1117;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  margin-bottom: 8px;
}

.terminal-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  background: #0d1117;
  position: relative;
  z-index: 1;
}

.terminal-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
}
.terminal-placeholder p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.terminal-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.terminal-loading p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.terminal-spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border-card);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.terminal-error {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--red);
}
.terminal-error p {
  font-size: 0.88rem;
  color: var(--red);
}
.terminal-error-sub {
  font-size: 0.72rem !important;
  color: var(--text-muted) !important;
}

/* ===== Camera Stream ===== */
.camera-stream {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

/* ===== Connection Bar ===== */
.connection-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 6px;
  font-size: 0.7rem;
  color: var(--text-muted);
}
#connDevice {
  font-weight: 500;
  color: var(--text-secondary);
}
.conn-status {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 500;
}
.conn-status.connected {
  background: rgba(52, 211, 153, 0.12);
  color: var(--green);
}
.conn-status.connecting {
  background: rgba(251, 191, 36, 0.12);
  color: var(--yellow);
  animation: pulse 1.5s infinite;
}
.conn-status.disconnected {
  background: rgba(100, 116, 139, 0.12);
  color: var(--text-muted);
}
.conn-status.offline {
  background: rgba(248, 113, 113, 0.12);
  color: var(--red);
}
.conn-status.error {
  background: rgba(248, 113, 113, 0.12);
  color: var(--red);
}

/* ===== System Gauges ===== */
.sys-gauge-grid {
  display: grid;
  justify-content: center;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}
.sys-gauge-card {
  text-align: center;
  padding: 14px 8px;
}
.sys-gauge-svg { width: 100px; height: 56px; margin: 0 auto 4px; display: block; }
.sys-gauge-value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
}
.sys-gauge-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.sys-gauge-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 1px;
}

/* ===== Service Status ===== */
.service-list { list-style: none; }
.service-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  font-size: 0.8rem;
}
.service-item:last-child { border-bottom: none; }
.service-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 8px;
}
.service-dot.running { background: var(--green); box-shadow: 0 0 8px var(--green-glow); }
.service-dot.stopped { background: var(--red); box-shadow: 0 0 8px var(--red-glow); }

/* ===== Docs ===== */
.doc-item {
  padding: 12px 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}
.doc-item:hover { background: var(--bg-card-hover); }
.doc-arrow { color: var(--text-muted); }
.doc-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  padding: 0 16px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.doc-content.open {
  max-height: 600px;
  padding: 0 16px 16px;
}
.doc-content h3 { color: var(--text-primary); margin: 12px 0 6px; font-size: 0.85rem; }
.doc-content ul { padding-left: 16px; }
.doc-content li { margin: 3px 0; }
.doc-content code {
  background: rgba(96, 165, 250, 0.1);
  color: var(--accent-blue);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* ===== Inline Info ===== */
.inline-info {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.inline-info:last-child { border-bottom: none; }
.inline-info .label { color: var(--text-muted); }
.inline-info .value { color: var(--text-secondary); font-family: var(--font-mono); }

/* ===== Misc ===== */
.tag {
  display: inline-block;
  font-size: 0.62rem;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 500;
  letter-spacing: 0.05em;
}
.tag-normal { background: rgba(52, 211, 153, 0.15); color: var(--green); }
.tag-watch { background: rgba(251, 191, 36, 0.15); color: var(--yellow); }
.tag-danger { background: rgba(248, 113, 113, 0.15); color: var(--red); }
.tag-info { background: rgba(96, 165, 250, 0.15); color: var(--accent-blue); }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

/* ===== Responsive ===== */
@media (min-width: 480px) {
  .container { padding: 0 24px 80px; }
}
@media (min-width: 768px) {
  .container { max-width: 600px; }
  .terminal-panel { height: 520px; }
}

/* Presence Info Bar (below camera) */
.presence-info {
  background: var(--bg-card);
  border-radius: 10px;
  padding: 10px 14px;
  margin-top: 8px;
}
.pi-item {
  display: flex;
  align-items: center;
  padding: 4px 0;
  font-size: 0.75rem;
  line-height: 1.4;
}
.pi-item + .pi-item {
  border-top: 1px solid rgba(255,255,255,0.04);
}
.pi-icon {
  width: 22px;
  text-align: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.pi-label {
  color: var(--text-muted);
  width: 36px;
  flex-shrink: 0;
  font-size: 0.7rem;
}
.pi-value {
  color: var(--text-secondary);
  flex: 1;
  font-size: 0.75rem;
}
.pi-loc {
  font-size: 0.68rem;
  word-break: break-all;
}
.pi-time {
  font-size: 0.62rem;
  color: var(--text-muted);
  text-align: right;
  margin-top: 4px;
  opacity: 0.7;
}

/* === v18 表头覆盖 === */
.console-title, .title, h1, .header-title {
    font-family: 'Orbitron', sans-serif !important;
    letter-spacing: 0.12em !important;
    font-weight: 500 !important;
}

/* === 扫描线（微妙版） === */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(6, 182, 212, 0.015) 2px,
        rgba(6, 182, 212, 0.015) 4px
    );
    pointer-events: none;
    z-index: 9999;
}