:root {
  --bg: #1a1640;
  --panel: #211e52;
  --card: #2a2760;
  --border: #3d3a7a;
  --accent: #6c63ff;
  --accent2: #a78bfa;
  --text: #e8e6ff;
  --muted: #8883bb;
  --danger: #ff6584;
  --green: #4ade80;
  --chart-line: #a78bfa;
  --chart-dot: #6c63ff;
}

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

body {
  font-family: 'Syne', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

#login-page {
  display: flex;
  min-height: 100vh;
}

.login-left {
  flex: 1;
  background: var(--panel);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  position: relative;
  overflow: hidden;
}

.login-left::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108,99,255,0.15) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.login-logo {
  width: 140px;
  height: 140px;
  position: relative;
  z-index: 1;
}

.login-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 30px rgba(167,139,250,0.4));
}

.login-logo-placeholder {
  width: 140px;
  height: 140px;
  background: var(--card);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 40px rgba(108,99,255,0.3);
}

.login-brand {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
  position: relative;
  z-index: 1;
}

.login-right {
  flex: 0 0 420px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 48px;
}

.login-title {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 40px;
  align-self: flex-start;
  color: var(--text);
}

.login-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-input {
  width: 100%;
  padding: 14px 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: 'DM Mono', monospace;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

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

.login-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.15);
}

.login-btn {
  align-self: flex-end;
  width: 52px;
  height: 52px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s, transform 0.1s;
  margin-top: 4px;
}

.login-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.05);
}

.login-error {
  color: var(--danger);
  font-size: 13px;
  font-family: 'DM Mono', monospace;
  display: none;
}

.login-error.show {
  display: block;
}

#dashboard-page {
  display: none;
  min-height: 100vh;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.topbar-brand-icon {
  width: 36px;
  height: 36px;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logout-btn {
  padding: 8px 20px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.logout-btn:hover {
  color: var(--danger);
  border-color: var(--danger);
}

.dashboard-content {
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.device-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.device-select-wrap {
  position: relative;
}

.device-select {
  appearance: none;
  padding: 10px 40px 10px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  outline: none;
  min-width: 160px;
  transition: border-color 0.2s;
}

.device-select:focus {
  border-color: var(--accent);
}

.device-select-wrap::after {
  content: '▾';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
  font-size: 12px;
}

.device-meta {
  font-family: 'DM Mono', monospace;
  font-size: 13px;
  color: var(--muted);
}

.device-meta span {
  color: var(--text);
}

.chart-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  position: relative;
}

.chart-axis-label {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 8px;
}

.chart-wrap {
  position: relative;
  overflow: visible;
}

#chart-svg {
  width: 100%;
  display: block;
  overflow: visible;
}

.chart-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 260px;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-family: 'DM Mono', monospace;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

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

.section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title .badge {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  font-weight: 400;
  background: var(--border);
  color: var(--muted);
  padding: 3px 10px;
  border-radius: 20px;
}

.media-filters {
  display: flex;
  gap: 8px;
}

.filter-btn {
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-family: 'Syne', sans-serif;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.media-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.media-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  border-color: var(--accent);
}

.media-thumb {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  background: var(--panel);
}

.media-video-wrap {
  position: relative;
  height: 160px;
}

.media-video-wrap video {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.play-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  font-size: 32px;
  color: white;
  pointer-events: none;
}

.media-info {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.media-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.media-temp {
  font-family: 'DM Mono', monospace;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent2);
}

.media-type-badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(108,99,255,0.2);
  color: var(--accent2);
}

.media-type-badge.video {
  background: rgba(74,222,128,0.15);
  color: var(--green);
}

.media-time {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--muted);
}

.media-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
  font-size: 14px;
  font-family: 'DM Mono', monospace;
}

.csv-btn {
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-family: 'Syne', sans-serif;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.csv-btn:hover {
  background: var(--green);
  border-color: var(--green);
  color: #1a1640;
}

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
}

.lightbox.show {
  display: flex;
}

.lightbox-inner {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

.lightbox-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  background: rgba(0,0,0,0.5);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background 0.2s;
}

.lightbox-close:hover {
  background: var(--danger);
}

#lightbox-img {
  max-width: 80vw;
  max-height: 70vh;
  object-fit: contain;
  display: block;
}

#lightbox-video {
  max-width: 80vw;
  max-height: 70vh;
  display: block;
}

.lightbox-meta {
  padding: 16px 20px;
  display: flex;
  gap: 24px;
  align-items: center;
  border-top: 1px solid var(--border);
  font-family: 'DM Mono', monospace;
  font-size: 13px;
  color: var(--muted);
}

.lightbox-meta strong {
  color: var(--text);
}

.chart-tooltip {
  position: absolute;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0;
  pointer-events: none;
  display: none;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
  z-index: 50;
  min-width: 160px;
}

.chart-tooltip img,
.chart-tooltip video {
  width: 160px;
  height: 100px;
  object-fit: cover;
  display: block;
}

.chart-tooltip-info {
  padding: 8px 12px;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.6;
}

.chart-tooltip-info strong {
  color: var(--text);
  display: block;
  font-size: 13px;
  margin-bottom: 2px;
}

@media (max-width: 768px) {
  #login-page {
    flex-direction: column;
  }

  .login-left {
    flex: 0 0 200px;
    padding: 32px 20px;
  }

  .login-logo-placeholder {
    width: 80px;
    height: 80px;
    font-size: 36px;
  }

  .login-brand {
    font-size: 24px;
  }

  .login-right {
    flex: 1;
    width: 100%;
    padding: 32px 24px;
  }

  .login-title {
    font-size: 28px;
    margin-bottom: 24px;
  }

  .topbar {
    padding: 12px 16px;
  }

  .dashboard-content {
    padding: 16px;
    gap: 16px;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .media-filters {
    flex-wrap: wrap;
  }

  .media-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
  }

  .chart-card {
    padding: 16px;
  }

  .lightbox-meta {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
    font-size: 11px;
  }

  #lightbox-img,
  #lightbox-video {
    max-width: 95vw;
    max-height: 60vh;
  }
}

@media (max-width: 420px) {
  .login-right {
    padding: 24px 16px;
  }

  .media-grid {
    grid-template-columns: 1fr 1fr;
  }

  .device-row {
    flex-direction: column;
    align-items: flex-start;
  }
}