/* ============================================================================
   SENTINEL DRONE FLEET MANAGEMENT - COMPREHENSIVE STYLES
   ============================================================================ */

:root {
  --bg: #0b1f3a;
  --panel: #0e2447;
  --card: #132b56;
  --text: #ffffff;
  --muted: #b9c4d4;
  --accent: #2d6cdf;
  --accent-alt: #4cc9f0;
  --ok: #2ecc71;
  --warn: #ff9f43;
  --err: #d7263d;
  --success: #1dd1a1;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html, body, #app {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.5;
}

/* ============================================================================
   TOPBAR / HEADER
   ============================================================================ */

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid #1e2c4b;
  background: var(--panel);
  box-shadow: var(--shadow);
  gap: 16px;
  position: relative;
  z-index: 1000;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.5px;
  font-size: 1.2rem;
  white-space: nowrap;
}

.actions {
  display: flex;
  gap: 8px;
  flex: 1;
  align-items: center;
  flex-wrap: wrap;
}

.actions input {
  flex: 1;
  min-width: 200px;
  background: var(--card);
  border: 1px solid #1e2c4b;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  transition: var(--transition);
}

.actions input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(45, 108, 223, 0.3);
}

.actions button {
  background: var(--card);
  border: 1px solid #1e2c4b;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.actions button:hover {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(45, 108, 223, 0.4);
}

.actions button:active {
  transform: scale(0.98);
}

/* ============================================================================
   LAYOUT
   ============================================================================ */

.layout {
  display: grid;
  grid-template-columns: 520px 1fr;
  height: calc(100% - 53px);
  gap: 0;
}

.panel {
  background: var(--panel);
  border-right: 1px solid #1e2c4b;
  overflow: auto;
  display: flex;
  flex-direction: column;
}

.panel::-webkit-scrollbar {
  width: 8px;
}

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

.panel::-webkit-scrollbar-thumb {
  background: var(--card);
  border-radius: 4px;
}

.panel::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* ============================================================================
   TABS
   ============================================================================ */

.tabs {
  display: flex;
  border-bottom: 1px solid #1e2c4b;
  background: var(--card);
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
  align-items: center;
}

.tab {
  flex: 1 1 120px;
  min-width: 80px;
  height: 40px;
  padding: 0 12px;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1.2;
  position: relative;
}

.tab:hover {
  color: var(--text);
  background: rgba(45, 108, 223, 0.1);
}

.tab::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: transparent;
}
.tab.active {
  color: var(--accent);
}
.tab.active::after {
  background: var(--accent);
}

.tab::before{display:inline-block;margin-right:8px;font-size:1rem;line-height:1;position:relative;top:1px}
.tab[data-tab="drones"]::before{content:"🛸"}
.tab[data-tab="pilots"]::before{content:"👨‍✈️"}
.tab[data-tab="missions"]::before{content:"🎯"}
.tab[data-tab="maintenance"]::before{content:"🔧"}
.tab[data-tab="documents"]::before{content:"📄"}
.tab[data-tab="analytics"]::before{content:"📊"}
.tab[data-tab="telemetry"]::before{content:"📡"}
.tab[data-tab="alerts"]::before{content:"⚠️"}

/* ============================================================================
   TAB CONTENT
   ============================================================================ */

.tabcontent {
  display: none;
  padding: 12px;
  flex: 1;
  overflow: auto;
  animation: fadeIn 0.3s ease-in-out;
  min-height: 0;
}

.tabcontent.active {
  display: flex;
  flex-direction: column;
}

.tabcontent h3 {
  display: block;
  margin: 0 0 12px 0;
  padding: 0;
  font-size: 1rem;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ============================================================================
   FORMS
   ============================================================================ */

.form {
  display: grid;
  gap: 8px;
  background: var(--card);
  padding: 12px;
  border: 1px solid #1e2c4b;
  border-radius: 12px;
  margin-bottom: 12px;
  flex-shrink: 0;
}

.form h3 {
  margin: 0 0 8px 0;
  padding: 0;
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 600;
}

.form input,
.form select,
.form textarea {
  background: #0c1e3c;
  border: 1px solid #1e2c4b;
  color: var(--text);
  padding: 8px;
  border-radius: 8px;
  font-family: inherit;
  transition: var(--transition);
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(45, 108, 223, 0.3);
  background: #0f2240;
}

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

.form button {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: white;
  padding: 10px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
  margin-top: 4px;
}

.form button:hover {
  background: #2157bc;
  box-shadow: 0 0 12px rgba(45, 108, 223, 0.4);
}

.form button:active {
  transform: scale(0.98);
}

/* ============================================================================
   LISTS & ITEMS
   ============================================================================ */

.list {
  margin-top: 0;
  display: grid;
  gap: 8px;
  overflow: auto;
  flex: 1;
}

.list::-webkit-scrollbar {
  width: 6px;
}

.list::-webkit-scrollbar-track {
  background: transparent;
}

.list::-webkit-scrollbar-thumb {
  background: var(--card);
  border-radius: 3px;
}

.list::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}

.item {
  display: grid;
  gap: 6px;
  background: var(--card);
  padding: 10px;
  border-radius: 12px;
  border: 1px solid #1e2c4b;
  transition: var(--transition);
  cursor: default;
}

.item:hover {
  background: #1a3a6b;
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(45, 108, 223, 0.2);
}

.item.highlight {
  animation: highlight 1s ease-in-out;
}

@keyframes highlight {
  0%, 100% { border-color: var(--accent); box-shadow: 0 0 12px rgba(45, 108, 223, 0.4); }
  50% { border-color: var(--warn); box-shadow: 0 0 12px rgba(255, 155, 67, 0.4); }
}

.item.drone-item,
.item.pilot-item,
.item.mission-item,
.item.maintenance-item,
.item.document-item {
  font-size: 0.95rem;
}

.item button {
  background: transparent;
  border: 1px solid #1e2c4b;
  color: var(--text);
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
}

.item button:hover {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(45, 108, 223, 0.3);
}

.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.small {
  font-size: 12px;
  color: var(--muted);
}

/* ============================================================================
   BADGES
   ============================================================================ */

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid;
  white-space: nowrap;
  transition: var(--transition);
  cursor: pointer;
}

.badge.active {
  background: rgba(46, 204, 113, 0.12);
  color: #2ecc71;
  border-color: #2ecc71;
}

.badge.idle {
  background: rgba(45, 108, 223, 0.12);
  color: #2d6cdf;
  border-color: #2d6cdf;
}

.badge.maintenance {
  background: rgba(231, 76, 60, 0.12);
  color: #e74c3c;
  border-color: #e74c3c;
}

.badge.locked {
  background: rgba(241, 196, 15, 0.12);
  color: #f1c40f;
  border-color: #f1c40f;
}

.badge.valid {
  background: rgba(46, 204, 113, 0.12);
  color: #2ecc71;
  border-color: #2ecc71;
}

.badge.expiring {
  background: rgba(241, 196, 15, 0.12);
  color: #f1c40f;
  border-color: #f1c40f;
}

.badge.expired {
  background: rgba(231, 76, 60, 0.12);
  color: #e74c3c;
  border-color: #e74c3c;
}

.badge.scheduled {
  background: rgba(76, 201, 240, 0.12);
  color: var(--accent-alt);
  border-color: var(--accent-alt);
}

.badge.completed {
  background: rgba(46, 204, 113, 0.12);
  color: #2ecc71;
  border-color: #2ecc71;
}

.badge.pending {
  background: rgba(241, 196, 15, 0.12);
  color: #f1c40f;
  border-color: #f1c40f;
}

.badge.in-progress {
  background: rgba(76, 201, 240, 0.12);
  color: var(--accent-alt);
  border-color: var(--accent-alt);
}

.badge.critical {
  background: rgba(231, 76, 60, 0.12);
  color: #e74c3c;
  border-color: #e74c3c;
}

.badge.warning {
  background: rgba(241, 196, 15, 0.12);
  color: #f1c40f;
  border-color: #f1c40f;
}

.badge.good {
  background: rgba(46, 204, 113, 0.12);
  color: #2ecc71;
  border-color: #2ecc71;
}

/* ============================================================================
   MAP SECTION
   ============================================================================ */

.mapwrap {
  position: relative;
  background: #0a1729;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#map {
  height: 100%;
  width: 100%;
  flex: 1;
  z-index: 1;
}

.legend {
  position: absolute;
  z-index: 500;
  top: 12px;
  right: 12px;
  background: var(--card);
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid #1e2c4b;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow);
  pointer-events: none;
}
/* Drone labels on map */
.leaflet-tooltip.drone-label {
  background: var(--card);
  color: var(--text);
  border: 1px solid #1e2c4b;
  border-radius: 6px;
  box-shadow: var(--shadow);
  padding: 2px 6px;
  font-size: 11px;
}

.legend div {
  display: flex;
  align-items: center;
  font-size: 12px;
  gap: 6px;
}

.dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-active {
  background: #2ecc71;
  box-shadow: 0 0 8px rgba(46, 204, 113, 0.5);
}

.dot-idle {
  background: #2d6cdf;
  box-shadow: 0 0 8px rgba(45, 108, 223, 0.5);
}

.dot-maintenance {
  background: #e74c3c;
  box-shadow: 0 0 8px rgba(231, 76, 60, 0.5);
}

/* ============================================================================
   ANALYTICS SECTION
   ============================================================================ */

.analytics-section {
  display: grid;
  gap: 12px;
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}

.stat-card {
  background: var(--card);
  padding: 16px;
  border-radius: 12px;
  border: 1px solid #1e2c4b;
  transition: var(--transition);
  text-align: center;
}

.stat-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(45, 108, 223, 0.2);
}

.stat-label {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}

.stat-trend {
  font-size: 11px;
  color: var(--muted);
}

.trend-up {
  color: #2ecc71;
}

.trend-down {
  color: #e74c3c;
}

/* ============================================================================
   ALERTS SECTION
   ============================================================================ */

.alert-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--card);
  border-radius: 8px;
  border: 1px solid #1e2c4b;
  transition: var(--transition);
  cursor: pointer;
}

.alert-item:hover {
  background: #1a3a6b;
  border-color: var(--accent);
}

.alert-item.alert-critical {
  border-color: #e74c3c;
  background: rgba(231, 76, 60, 0.05);
}

.alert-item.alert-warning {
  border-color: #f1c40f;
  background: rgba(241, 196, 15, 0.05);
}

.alert-icon {
  flex-shrink: 0;
  font-size: 16px;
}

.alert-message {
  flex: 1;
  font-size: 12px;
  color: var(--text);
}

.alert-close {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 2px 4px;
  transition: var(--transition);
}

.alert-close:hover {
  color: var(--text);
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 1024px) {
  .layout {
    grid-template-columns: 350px 1fr;
  }

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

  .analytics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .layout {
    grid-template-columns: 280px 1fr;
  }

  .topbar {
    flex-wrap: wrap;
    gap: 8px;
  }

  .actions {
    flex-basis: 100%;
    width: 100%;
  }

  .actions input {
    min-width: 0;
    flex: 1;
  }

  .tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
  }

  .tab {
    flex-shrink: 0;
  }

  .analytics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .panel {
    max-height: 50vh;
  }

  .mapwrap {
    min-height: 50vh;
  }

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

  .legend {
    top: 8px;
    right: 8px;
    padding: 8px 12px;
    font-size: 11px;
  }
}

/* ============================================================================
   SCROLLBAR GLOBAL
   ============================================================================ */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--card);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}
.modal{position:fixed;left:0;top:0;width:100%;height:100%;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:2000}
.modal-content{background:var(--card);border:1px solid #1e2c4b;border-radius:12px;min-width:320px;max-width:800px;max-height:80vh;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-bottom:1px solid #1e2c4b}
#modalClose{background:transparent;border:1px solid #1e2c4b;color:var(--text);padding:4px 8px;border-radius:6px;cursor:pointer}
.modal-body{padding:12px;overflow:auto}
.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:10px 12px;border-top:1px solid #1e2c4b}