/* ============================================================
   도로 열선 통합관제 시스템 - 공통 스타일
   ============================================================ */

:root {
  --primary: #1a3a5c;
  --primary-light: #2456a4;
  --accent: #00aeff;
  --accent-dark: #0080cc;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --bg-dark: #0d1b2a;
  --bg-card: #1a2740;
  --bg-card2: #1e3050;
  --text-primary: #e8f0fe;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #2a3f5f;
  --border-light: #334d70;
  --sidebar-w: 280px;
  --header-h: 64px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

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

body {
  font-family: 'Noto Sans KR', 'Segoe UI', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
}

/* ============================================================
   로그인 화면
   ============================================================ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0d1b2a 0%, #1a3a5c 50%, #0d1b2a 100%);
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,174,255,0.08) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.login-page::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,174,255,0.05) 0%, transparent 70%);
  bottom: -50px;
  left: -50px;
  pointer-events: none;
}

.login-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 44px;
  width: 420px;
  max-width: 95vw;
  box-shadow: var(--shadow), 0 0 60px rgba(0,174,255,0.06);
  position: relative;
  z-index: 1;
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo .logo-icon {
  font-size: 48px;
  display: block;
  margin-bottom: 12px;
}

.login-logo h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
}

.login-logo .subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.login-divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 15px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,174,255,0.15);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-light), var(--accent-dark));
  color: #fff;
  width: 100%;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2d6bc4, var(--accent));
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0,174,255,0.25);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-success:hover {
  background: #0ea472;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-warning {
  background: var(--warning);
  color: #000;
}

.btn-warning:hover {
  background: #d97706;
}

.btn-secondary {
  background: var(--bg-card2);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--border);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 13px;
}

.btn-block {
  width: 100%;
}

.login-demo {
  margin-top: 24px;
  padding: 16px;
  background: rgba(0,174,255,0.06);
  border: 1px solid rgba(0,174,255,0.2);
  border-radius: var(--radius-sm);
}

.login-demo h4 {
  font-size: 12px;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.demo-account {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 13px;
  cursor: pointer;
}

.demo-account:last-child {
  border-bottom: none;
}

.demo-account:hover .demo-id {
  color: var(--accent);
}

.demo-role {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 99px;
  font-weight: 700;
}

.demo-role.admin {
  background: rgba(239,68,68,0.15);
  color: var(--danger);
}

.demo-role.customer {
  background: rgba(59,130,246,0.15);
  color: var(--info);
}

.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 14px;
}

.alert-danger {
  background: rgba(239,68,68,0.12);
  border: 1px solid rgba(239,68,68,0.3);
  color: #fca5a5;
}

/* ============================================================
   공통 레이아웃
   ============================================================ */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ---- 사이드바 ---- */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}

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

.sidebar-logo .logo-icon {
  font-size: 28px;
}

.sidebar-logo .logo-text {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

.sidebar-logo .logo-sub {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 400;
}

.sidebar-user {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.user-avatar.admin {
  background: linear-gradient(135deg, var(--danger), #9b1c1c);
}

.user-avatar.customer {
  background: linear-gradient(135deg, var(--info), #1d4ed8);
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 11px;
  color: var(--text-muted);
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 12px 20px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 20px;
  color: var(--text-secondary);
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: all 0.2s;
  font-size: 14px;
}

.nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(0,174,255,0.08);
  color: var(--accent);
  border-left-color: var(--accent);
}

.nav-item .nav-icon {
  font-size: 18px;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}

.nav-item .nav-badge {
  margin-left: auto;
  font-size: 11px;
  background: var(--danger);
  color: #fff;
  padding: 2px 7px;
  border-radius: 99px;
  font-weight: 700;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

/* ---- 메인 콘텐츠 ---- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- 헤더 ---- */
.top-header {
  height: var(--header-h);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-title {
  font-size: 18px;
  font-weight: 700;
  flex: 1;
}

.header-title span {
  color: var(--text-secondary);
  font-weight: 400;
  font-size: 14px;
  margin-left: 8px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-stat {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 13px;
}

.header-stat .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot-online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.dot-offline { background: var(--text-muted); }
.dot-warning { background: var(--warning); box-shadow: 0 0 6px var(--warning); }
.dot-danger { background: var(--danger); box-shadow: 0 0 6px var(--danger); }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 22px;
  cursor: pointer;
  padding: 4px;
}

/* ---- 페이지 본문 ---- */
.page-body {
  flex: 1;
  padding: 24px;
  overflow: auto;
}

/* ============================================================
   카드 / 통계
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-light);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
}

.stat-card.total::before { background: var(--accent); }
.stat-card.online::before { background: var(--success); }
.stat-card.offline::before { background: var(--text-muted); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.danger::before { background: var(--danger); }
.stat-card.heater::before { background: #f97316; }

.stat-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.stat-value {
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================================
   지도 영역
   ============================================================ */
.map-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

.map-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.map-header h2 {
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

#map {
  height: 420px;
  width: 100%;
}

/* Leaflet 팝업 커스텀 */
.leaflet-popup-content-wrapper {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  box-shadow: var(--shadow) !important;
  color: var(--text-primary) !important;
}

.leaflet-popup-tip {
  background: var(--bg-card) !important;
}

.leaflet-popup-content {
  margin: 0 !important;
  padding: 0 !important;
}

.map-popup {
  padding: 16px;
  min-width: 220px;
}

.map-popup h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.map-popup .popup-address {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.map-popup .popup-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 12px;
}

.popup-stat {
  font-size: 12px;
}

.popup-stat .label {
  color: var(--text-muted);
}

.popup-stat .value {
  font-weight: 600;
  color: var(--text-primary);
}

.map-popup .btn {
  font-size: 12px;
  padding: 7px 12px;
}

/* 마커 커스텀 */
.custom-marker {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  border: 3px solid rgba(255,255,255,0.3);
  box-shadow: 0 3px 10px rgba(0,0,0,0.5);
  cursor: pointer;
  position: relative;
}

.custom-marker.online { background: var(--success); }
.custom-marker.offline { background: var(--text-muted); }
.custom-marker.warning { background: var(--warning); }
.custom-marker.error { background: var(--danger); }

.custom-marker.heater-active::after {
  content: '🔥';
  position: absolute;
  top: -12px;
  right: -6px;
  font-size: 12px;
}

/* ============================================================
   장비 목록 테이블
   ============================================================ */
.table-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.table-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.table-header h2 {
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 14px;
  color: var(--text-primary);
  min-width: 220px;
}

.search-box input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 14px;
  flex: 1;
}

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

.table-responsive {
  overflow-x: auto;
}

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

thead th {
  background: rgba(255,255,255,0.03);
  padding: 12px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
  cursor: pointer;
}

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

tbody tr:hover {
  background: rgba(255,255,255,0.03);
}

tbody td {
  padding: 14px 16px;
  font-size: 14px;
  vertical-align: middle;
}

/* ============================================================
   배지 / 태그
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.badge-online {
  background: rgba(16,185,129,0.15);
  color: var(--success);
}

.badge-offline {
  background: rgba(100,116,139,0.15);
  color: var(--text-muted);
}

.badge-warning {
  background: rgba(245,158,11,0.15);
  color: var(--warning);
}

.badge-danger {
  background: rgba(239,68,68,0.15);
  color: var(--danger);
}

.badge-info {
  background: rgba(59,130,246,0.15);
  color: var(--info);
}

.badge-snow {
  background: rgba(148,163,184,0.15);
  color: #93c5fd;
}

.badge-heater {
  background: rgba(249,115,22,0.12);
  color: #fb923c;
}

.badge-auto {
  background: rgba(0,174,255,0.12);
  color: var(--accent);
}

/* AS 기간 배지 */
.as-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}

.as-badge.good {
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.2);
  color: var(--success);
}

.as-badge.caution {
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.2);
  color: var(--warning);
}

.as-badge.urgent {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: var(--danger);
  animation: pulse-border 2s infinite;
}

@keyframes pulse-border {
  0%, 100% { border-color: rgba(239,68,68,0.3); }
  50% { border-color: rgba(239,68,68,0.7); }
}

/* ============================================================
   장비 상세 페이지
   ============================================================ */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.detail-card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
}

.detail-card-header .icon {
  font-size: 18px;
}

.detail-card-body {
  padding: 20px;
}

/* 영상 영역 */
.video-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

.video-area {
  background: #000;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  font-size: 14px;
  color: var(--text-secondary);
}

.video-area video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-overlay {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  gap: 8px;
}

.video-badge {
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 4px;
}

.video-badge.live {
  background: rgba(239,68,68,0.85);
  color: #fff;
}

.video-badge.offline {
  background: rgba(100,116,139,0.85);
  color: #fff;
}

.video-placeholder {
  text-align: center;
}

.video-placeholder .icon {
  font-size: 48px;
  display: block;
  margin-bottom: 10px;
  opacity: 0.3;
}

/* 상태 정보 그리드 */
.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
}

.status-item {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
}

.status-item .s-value {
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}

.status-item .s-label {
  font-size: 11px;
  color: var(--text-muted);
}

/* 원격 제어 버튼 그리드 */
.control-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.control-btn {
  padding: 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.control-btn .icon {
  font-size: 24px;
}

.control-btn.heater-on {
  background: rgba(249,115,22,0.12);
  border-color: rgba(249,115,22,0.3);
  color: #fb923c;
}

.control-btn.heater-on:hover {
  background: rgba(249,115,22,0.2);
}

.control-btn.heater-off {
  background: rgba(59,130,246,0.1);
  border-color: rgba(59,130,246,0.3);
  color: var(--info);
}

.control-btn.heater-off:hover {
  background: rgba(59,130,246,0.18);
}

.control-btn.auto-mode {
  background: rgba(0,174,255,0.1);
  border-color: rgba(0,174,255,0.3);
  color: var(--accent);
}

.control-btn.auto-mode:hover {
  background: rgba(0,174,255,0.18);
}

.control-btn.manual-mode {
  background: rgba(245,158,11,0.1);
  border-color: rgba(245,158,11,0.3);
  color: var(--warning);
}

.control-btn.manual-mode:hover {
  background: rgba(245,158,11,0.18);
}

.control-btn.reboot {
  background: rgba(239,68,68,0.08);
  border-color: rgba(239,68,68,0.2);
  color: var(--danger);
  grid-column: 1 / -1;
}

.control-btn.reboot:hover {
  background: rgba(239,68,68,0.15);
}

/* AS 정보 박스 */
.as-info-box {
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid;
}

.as-info-box.good {
  background: rgba(16,185,129,0.06);
  border-color: rgba(16,185,129,0.2);
}

.as-info-box.caution {
  background: rgba(245,158,11,0.06);
  border-color: rgba(245,158,11,0.2);
}

.as-info-box.urgent {
  background: rgba(239,68,68,0.06);
  border-color: rgba(239,68,68,0.25);
}

.as-progress {
  height: 8px;
  background: var(--bg-dark);
  border-radius: 99px;
  margin: 10px 0;
  overflow: hidden;
}

.as-progress-bar {
  height: 100%;
  border-radius: 99px;
  transition: width 0.5s ease;
}

/* 로그 목록 */
.log-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.log-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.log-item:last-child {
  border-bottom: none;
}

.log-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.log-content {
  flex: 1;
}

.log-msg {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.log-meta {
  font-size: 11px;
  color: var(--text-muted);
}

.log-badge {
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

/* 임계값 슬라이더 */
.threshold-control {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.threshold-control label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 600;
}

.threshold-control .value-display {
  font-size: 18px;
  font-weight: 800;
  color: var(--accent);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ============================================================
   관리자 전용 섹션
   ============================================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-title {
  font-size: 20px;
  font-weight: 800;
}

/* ============================================================
   모달
   ============================================================ */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 999;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.show {
  display: flex;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
  animation: modal-in 0.25s ease;
}

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

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 17px;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* 확인 모달 */
.confirm-modal .icon {
  font-size: 48px;
  text-align: center;
  display: block;
  margin-bottom: 12px;
}

.confirm-modal p {
  text-align: center;
  color: var(--text-secondary);
  font-size: 15px;
}

/* ============================================================
   토스트 알림
   ============================================================ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
  max-width: 380px;
  box-shadow: var(--shadow);
  animation: toast-in 0.3s ease;
  border-left: 4px solid var(--accent);
}

.toast.success { border-left-color: var(--success); }
.toast.warning { border-left-color: var(--warning); }
.toast.danger { border-left-color: var(--danger); }

@keyframes toast-in {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast-icon { font-size: 20px; }

.toast-content { flex: 1; }

.toast-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 2px;
}

.toast-msg {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ============================================================
   로딩 상태
   ============================================================ */
.loading-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card2) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 4px;
}

@keyframes skeleton-loading {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

/* ============================================================
   반응형
   ============================================================ */
@media (max-width: 1024px) {
  .detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --sidebar-w: 0px;
  }

  .sidebar {
    transform: translateX(-280px);
    width: 280px;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .menu-toggle {
    display: block;
  }

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

  #map {
    height: 300px;
  }

  .page-body {
    padding: 16px;
  }

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

  .header-stat {
    display: none;
  }
}

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

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

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

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

::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}

/* ============================================================
   기타 유틸리티
   ============================================================ */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-accent { color: var(--accent); }
.text-info { color: var(--info); }

.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.fw-bold { font-weight: 700; }
.fs-sm { font-size: 13px; }
.fs-xs { font-size: 12px; }

.hidden { display: none !important; }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
}

.sidebar-overlay.show {
  display: block;
}
/* ============================================================
   Web App Shell / PWA
   ============================================================ */
body.webapp-enabled {
  min-height: 100vh;
  overscroll-behavior-y: contain;
  -webkit-tap-highlight-color: transparent;
}

.install-banner {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  width: min(680px, calc(100vw - 32px));
  background: rgba(13, 27, 42, 0.94);
  border: 1px solid rgba(0, 174, 255, 0.28);
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  padding: 14px;
  z-index: 220;
  backdrop-filter: blur(14px);
}

.install-banner__body {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
}

.install-banner__body strong {
  display: block;
  font-size: 14px;
  margin-bottom: 2px;
}

.install-banner__body span {
  color: var(--text-secondary);
  font-size: 12px;
}

.install-banner__actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.mobile-bottom-nav {
  display: none;
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 10px);
  background: rgba(26, 39, 64, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.32);
  padding: 8px;
  z-index: 180;
  backdrop-filter: blur(14px);
}

.mobile-bottom-nav__item {
  flex: 1;
  min-width: 0;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  border-radius: 14px;
  padding: 10px 6px;
  cursor: pointer;
}

.mobile-bottom-nav__item.active {
  background: rgba(0, 174, 255, 0.14);
  color: var(--accent);
}

.mobile-bottom-nav__icon {
  font-size: 18px;
  line-height: 1;
}

.mobile-bottom-nav__label {
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .page-body {
    padding-bottom: 104px;
  }

  .mobile-bottom-nav {
    display: flex;
  }

  .install-banner {
    bottom: calc(env(safe-area-inset-bottom, 0px) + 92px);
  }

  .install-banner__body {
    flex-direction: column;
    align-items: stretch;
  }

  .install-banner__actions {
    width: 100%;
  }

  .install-banner__actions .btn {
    flex: 1;
  }
}