:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-card: rgba(22, 27, 34, 0.85);
  --bg-card-hover: rgba(33, 38, 45, 0.95);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-focus: #58a6ff;
  
  --text-main: #f0f6fc;
  --text-muted: #8b949e;
  --text-dim: #6e7681;

  --accent-cyan: #38bdf8;
  --accent-blue: #2563eb;
  --accent-green: #22c55e;
  --accent-danger: #ef4444;
  --accent-orange: #f97316;
  --accent-glow: 0 0 20px rgba(56, 189, 248, 0.35);

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-family);
  min-height: 100vh;
  overflow-x: hidden;
  user-select: none;
}

/* ================== 유틸리티 & 애니메이션 ================== */
.hidden { display: none !important; }
.text-success { color: var(--accent-green) !important; }
.text-danger { color: var(--accent-danger) !important; }
.text-cyan { color: var(--accent-cyan) !important; }

/* ================== 로그인 / 계정 등록 화면 ================== */
.auth-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background: radial-gradient(circle at top right, #1e293b, #0a0f1d);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  animation: fadeIn 0.4s ease;
}

.brand-header {
  text-align: center;
  margin-bottom: 24px;
}

.brand-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 30px;
  color: #fff;
  box-shadow: var(--accent-glow);
}

.brand-header h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.brand-sub {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 6px;
}

.auth-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 22px;
}

.auth-tab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 10px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.auth-tab.active {
  background: var(--bg-secondary);
  color: var(--text-main);
  box-shadow: 0 2px 6px rgba(0,0,0,0.4);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-hint {
  font-size: 11px;
  color: var(--accent-cyan);
  font-weight: 500;
  margin-left: 4px;
}

.password-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.password-wrapper input {
  width: 100%;
  padding-right: 44px !important;
  ime-mode: disabled; /* 한글 입력 모드 방지 */
}

.btn-toggle-pw {
  position: absolute;
  right: 10px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: var(--transition);
}

.btn-toggle-pw:hover {
  color: var(--accent-cyan);
  background: rgba(255, 255, 255, 0.08);
}

.field-error-msg {
  font-size: 11px;
  color: var(--accent-danger);
  display: flex;
  align-items: center;
  gap: 5px;
  animation: fadeIn 0.2s ease;
}

.input-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.input-group input, .input-group select {
  background: rgba(13, 17, 23, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text-main);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}

.input-group input:focus, .input-group select:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.form-check {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.forgot-pw-wrap {
  text-align: right;
  margin-top: -6px;
}

.forgot-pw-link {
  color: var(--text-muted);
  font-size: 12px;
  text-decoration: none;
  transition: var(--transition);
}

.forgot-pw-link:hover {
  color: var(--accent-cyan);
  text-decoration: underline;
}

.demo-account-box {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px dashed var(--border-color);
}

.demo-title {
  font-size: 12px;
  color: var(--text-dim);
  text-align: center;
  margin-bottom: 12px;
  font-weight: 600;
}

.demo-btns {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ================== 버튼 컴포넌트 ================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius-sm);
  padding: 11px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-block { width: 100%; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), #1d4ed8);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1d4ed8, #1e40af);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, var(--accent-green), #16a34a);
  color: #fff;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ================== 메인 대시보드 레이아웃 ================== */
.app-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 16px 24px;
  max-width: 1600px;
  margin: 0 auto;
}

/* 상단 네비게이션 */
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  margin-bottom: 20px;
}

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

.logo-glow {
  font-size: 22px;
  color: var(--accent-cyan);
  filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.6));
}

.nav-title {
  font-size: 18px;
  font-weight: 700;
}

.user-badge {
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 7px;
  transition: var(--transition);
}

.nav-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
}

.nav-btn.active {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-danger-soft {
  color: var(--accent-danger);
  border-color: rgba(239, 68, 68, 0.3);
}

.btn-danger-soft:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: var(--accent-danger);
}

/* 요약 통계 배너 */
.summary-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.summary-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.icon-power { background: rgba(34, 197, 94, 0.15); color: var(--accent-green); }
.icon-watt { background: rgba(56, 189, 248, 0.15); color: var(--accent-cyan); }
.icon-kwh { background: rgba(249, 115, 22, 0.15); color: var(--accent-orange); }
.icon-status { background: rgba(147, 51, 234, 0.15); color: #c084fc; }

.summary-info {
  display: flex;
  flex-direction: column;
}

.summary-info .label {
  font-size: 12px;
  color: var(--text-muted);
}

.summary-info .value {
  font-size: 18px;
  font-weight: 700;
  margin-top: 2px;
}

/* 섹션 헤더 & 스크롤 컨트롤 */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

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

.header-left h2 {
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.device-count-tag {
  background: rgba(255, 255, 255, 0.08);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  color: var(--text-muted);
}

/* ================== 디바이스 컨테이너 (반응형 카드 그리드) ================== */
.device-viewport {
  width: 100%;
  overflow: visible;
  padding-bottom: 24px;
}

body.mobile-mode .device-viewport {
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-cyan) var(--bg-secondary);
}

body.mobile-mode .device-viewport::-webkit-scrollbar {
  height: 8px;
}

body.mobile-mode .device-viewport::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: 4px;
}

body.mobile-mode .device-viewport::-webkit-scrollbar-thumb {
  background: var(--accent-cyan);
  border-radius: 4px;
}

/* 기본 그리드 트랙 */
.device-track {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  transition: var(--transition);
}

/* 모바일 뷰: 가로 슬라이더 형태 전환 */
body.mobile-mode .device-track,
@media (max-width: 900px) {
  .device-track {
    display: flex;
    flex-wrap: nowrap;
    gap: 18px;
    width: max-content;
    padding: 6px 4px;
  }

  .device-card {
    width: 310px;
    flex-shrink: 0;
  }
}

/* ================== 스마트 디바이스 카드 디자인 ================== */
/* ================== 탭 바 & 탭 컨트롤 스타일 ================== */
.device-tabs-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  margin-bottom: 16px;
  backdrop-filter: blur(8px);
}

.tabs-scroll-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 2px;
}

.tabs-scroll-wrapper::-webkit-scrollbar {
  display: none;
}

.tab-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.tab-pill:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
}

.tab-pill.active {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.35);
}

.tabs-control-buttons {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.btn-tab-action {
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
}

.btn-tab-add:hover {
  background: rgba(34, 197, 94, 0.2);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.btn-tab-del:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: var(--accent-danger);
  color: var(--accent-danger);
}

/* 디바이스 순서 이동 컨트롤러 */
.order-btn-box {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.btn-order-arrow {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 24px;
  height: 20px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-order-arrow:hover {
  background: var(--accent-cyan);
  color: #000;
  border-color: var(--accent-cyan);
}

/* ================== 스마트 디바이스 카드 공통 & 특수 타입 디자인 ================== */
.device-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  position: relative;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.device-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.device-card.is-on {
  border-color: rgba(34, 197, 94, 0.4);
  box-shadow: 0 8px 26px rgba(34, 197, 94, 0.15);
}

.device-card.is-alert {
  border-color: rgba(239, 68, 68, 0.6) !important;
  box-shadow: 0 8px 26px rgba(239, 68, 68, 0.3) !important;
  animation: alertPulse 1.8s infinite;
}

@keyframes alertPulse {
  0% { box-shadow: 0 0 10px rgba(239, 68, 68, 0.3); }
  50% { box-shadow: 0 0 25px rgba(239, 68, 68, 0.6); }
  100% { box-shadow: 0 0 10px rgba(239, 68, 68, 0.3); }
}

/* 회전하는 환풍기 팬 애니메이션 */
.fan-spinning {
  animation: fanSpin 0.7s linear infinite;
}

@keyframes fanSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 1. 온습도 센서 전용 스타일 */
.temp-hum-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  background: rgba(0, 0, 0, 0.35);
  padding: 16px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
}

.sensor-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.sensor-box .sensor-title {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}

.sensor-box .sensor-val {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.val-temp { color: #f87171; }
.val-hum { color: #38bdf8; }

.temp-status-badge {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 10px;
  font-weight: 700;
  display: inline-block;
  margin-top: 4px;
}

.badge-normal { background: rgba(34, 197, 94, 0.2); color: #4ade80; }
.badge-warning { background: rgba(249, 115, 22, 0.2); color: #fb923c; }
.badge-danger { background: rgba(239, 68, 68, 0.25); color: #f87171; }

/* 2. 환풍기 속도 조절(디머) 전용 스타일 */
.fan-slider-box {
  background: rgba(0, 0, 0, 0.3);
  padding: 14px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.fan-speed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
}

.fan-speed-val {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-cyan);
}

.fan-range-slider {
  width: 100%;
  accent-color: var(--accent-cyan);
  cursor: pointer;
  height: 6px;
}

.fan-presets {
  display: flex;
  gap: 6px;
  margin-top: 2px;
}

.btn-fan-step {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 5px 0;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-fan-step:hover, .btn-fan-step.active {
  background: rgba(56, 189, 248, 0.2);
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

/* 3. 보안/센서(CCTV, 모션, 문열림) 전용 스타일 */
.security-status-box {
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-sm);
  padding: 18px 14px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.security-icon-large {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
}

.security-info-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sec-state-title {
  font-size: 16px;
  font-weight: 700;
}

.sec-state-sub {
  font-size: 11px;
  color: var(--text-dim);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.device-identity {
  display: flex;
  align-items: center;
  gap: 12px;
}

.device-type-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text-muted);
  transition: var(--transition);
}

.device-card.is-on .device-type-icon {
  background: rgba(34, 197, 94, 0.2);
  color: var(--accent-green);
  box-shadow: 0 0 12px rgba(34, 197, 94, 0.4);
}

.device-name-box {
  display: flex;
  flex-direction: column;
}

.device-name {
  font-size: 16px;
  font-weight: 700;
}

.device-id-sub {
  font-size: 11px;
  color: var(--text-dim);
}

/* 토글 전원 스위치 */
.power-switch-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-dim);
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.power-switch-btn:hover {
  transform: scale(1.05);
}

.device-card.is-on .power-switch-btn {
  border-color: var(--accent-green);
  background: rgba(34, 197, 94, 0.2);
  color: var(--accent-green);
  box-shadow: 0 0 16px rgba(34, 197, 94, 0.5);
}

/* 실시간 전력 계측 그리드 */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  background: rgba(0, 0, 0, 0.3);
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.metric-item {
  display: flex;
  flex-direction: column;
}

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

.metric-value {
  font-size: 15px;
  font-weight: 700;
  margin-top: 2px;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-dim);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 10px;
}

.online-tag {
  display: flex;
  align-items: center;
  gap: 5px;
}

.online-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

/* ================== 모달 창 스타일 ================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}

.modal-card {
  width: 100%;
  max-width: 580px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.7);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 26px;
  cursor: pointer;
  line-height: 1;
}

.modal-close-btn:hover { color: #fff; }

.modal-body {
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 75vh;
  overflow-y: auto;
}

.modal-tip {
  font-size: 13px;
  color: var(--text-muted);
}

.device-manager-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.manager-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  gap: 12px;
}

.manager-row-info {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.manager-row input[type="text"] {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 13px;
  flex: 1;
}

.manager-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-muted);
}

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

.info-alert {
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-main);
  display: flex;
  gap: 12px;
  line-height: 1.5;
}

/* ================== 하단 상태바 & 고객지원 푸터 ================== */
.profile-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
  margin-top: 4px;
}

.input-readonly {
  background: rgba(0, 0, 0, 0.45) !important;
  color: var(--text-dim) !important;
  cursor: not-allowed;
  border-style: dashed !important;
}

.profile-confirm-box {
  background: rgba(249, 115, 22, 0.08);
  border: 1px solid rgba(249, 115, 22, 0.3);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  margin-top: 6px;
}

.required-label {
  color: var(--text-main) !important;
}

.required-tag {
  background: rgba(239, 68, 68, 0.2);
  color: var(--accent-danger);
  border: 1px solid rgba(239, 68, 68, 0.4);
  padding: 2px 7px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 700;
  margin-left: 6px;
}

.auth-support-box {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.support-contact {
  font-size: 13px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.phone-number {
  color: #38bdf8;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.copyright-text {
  font-size: 11px;
  color: var(--text-dim);
}

.app-footer-wrapper {
  margin-top: auto;
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid var(--border-color);
}

.app-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
}

.main-footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 13px;
}

.footer-as-box {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-main);
}

.phone-highlight {
  color: #38bdf8;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.footer-copy-box {
  color: var(--text-muted);
  font-size: 12px;
}

@media (max-width: 768px) {
  .main-footer-bar {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

.auto-refresh-tag {
  color: var(--accent-cyan);
  transition: var(--transition);
}

.auto-refresh-tag.paused {
  color: var(--text-muted);
  opacity: 0.8;
}

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

.toast {
  background: #1f2937;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.15);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInRight 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ================== CCTV 실시간 스트리밍 모달 ================== */
.cctv-modal-card {
  max-width: 860px !important;
  width: 95% !important;
  background: #111827 !important;
  border: 1px solid rgba(255, 255, 255, 0.12) !important;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.9) !important;
}

.cctv-header-badges {
  display: flex;
  align-items: center;
  gap: 14px;
}

.live-indicator-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(239, 68, 68, 0.18);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.35);
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.live-dot {
  width: 8px;
  height: 8px;
  background: #ef4444;
  border-radius: 50%;
  animation: liveDotPulse 1.2s infinite;
}

@keyframes liveDotPulse {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.cctv-modal-body {
  padding: 16px 20px 20px 20px !important;
  gap: 14px !important;
}

.cctv-video-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
}

#cctv-video-player {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.cctv-video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 15, 25, 0.92);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 10;
  text-align: center;
  padding: 20px;
}

.cctv-spinner {
  width: 44px;
  height: 44px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-top-color: #38bdf8;
  border-radius: 50%;
  animation: cctvSpin 1s linear infinite;
}

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

.cctv-loading-text {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}

.cctv-loading-sub {
  font-size: 12px;
  color: var(--text-muted);
}

.cctv-err-icon {
  font-size: 42px;
  color: #f87171;
  margin-bottom: 4px;
}

.cctv-error-text {
  font-size: 14px;
  color: #fca5a5;
  margin-bottom: 8px;
}

.cctv-info-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.03);
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.cctv-info-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.cctv-meta-tag {
  font-size: 12px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* CCTV 카드 인터랙션 효과 */
.security-status-box.clickable {
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.security-status-box.clickable:hover {
  background: rgba(168, 85, 247, 0.22) !important;
  border: 1px solid rgba(168, 85, 247, 0.5) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(168, 85, 247, 0.3);
}

.cctv-view-badge {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(168, 85, 247, 0.3);
  color: #e9d5ff;
  border: 1px solid rgba(168, 85, 247, 0.45);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  transition: all 0.2s;
}

.security-status-box.clickable:hover .cctv-view-badge {
  background: #9333ea;
  color: #fff;
  box-shadow: 0 0 10px rgba(147, 51, 234, 0.6);
}

/* ================== 타일 배치 편집 모드 (iOS 징글 스타일) ================== */
.tile-edit-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.95));
  border: 1px solid rgba(56, 189, 248, 0.35);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 0 15px rgba(56, 189, 248, 0.15);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  margin-bottom: 18px;
  animation: slideDownFade 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDownFade {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

.tile-edit-info {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.tile-edit-badge {
  background: rgba(56, 189, 248, 0.2);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.4);
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tile-edit-instruction {
  font-size: 13px;
  color: var(--text-main);
}

.tile-edit-btn-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* 꾹 누를 때(Long-press) 피드백 */
.device-card.holding-card {
  transform: scale(0.97) !important;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.6) !important;
  border-color: var(--accent-cyan) !important;
}

/* iOS 특유의 Wiggle / Jiggle 애니메이션 */
@keyframes iosJiggleA {
  0% { transform: rotate(-1.2deg) scale(0.99); }
  50% { transform: rotate(1.2deg) scale(1.01); }
  100% { transform: rotate(-1.2deg) scale(0.99); }
}

@keyframes iosJiggleB {
  0% { transform: rotate(1.2deg) scale(1.01); }
  50% { transform: rotate(-1.2deg) scale(0.99); }
  100% { transform: rotate(1.2deg) scale(1.01); }
}

.tile-edit-mode .device-card {
  cursor: grab !important;
  user-select: none !important;
  position: relative !important;
  touch-action: none;
}

.tile-edit-mode .device-card:active {
  cursor: grabbing !important;
}

.tile-edit-mode .device-card:nth-child(2n) {
  animation: iosJiggleA 0.28s infinite ease-in-out;
}

.tile-edit-mode .device-card:nth-child(2n+1) {
  animation: iosJiggleB 0.32s infinite ease-in-out;
}

/* 드래그 중인 카드 */
.tile-edit-mode .device-card.is-dragging {
  opacity: 0.35 !important;
  transform: scale(1.04) !important;
  animation: none !important;
  border: 2px dashed var(--accent-cyan) !important;
  box-shadow: 0 20px 35px rgba(0, 0, 0, 0.7) !important;
  z-index: 100 !important;
}

/* 드롭 타겟 표시 */
.tile-edit-mode .device-card.drag-target-over {
  border: 2px solid var(--accent-cyan) !important;
  transform: scale(1.03) !important;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.4) !important;
}

/* 각 타일의 빨간색 마이너스 [-] 숨기기 배지 */
.tile-hide-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 28px;
  height: 28px;
  background: #ef4444;
  color: #fff;
  border: 2.5px solid #111827;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.6);
  z-index: 50;
  transition: transform 0.2s, background 0.2s;
  animation: popInBadge 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popInBadge {
  0% { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.tile-hide-badge:hover {
  background: #dc2626;
  transform: scale(1.2);
}

/* 편집 모드 중 내부 컨트롤 클릭 방지 (드래그 및 숨기기 전용) */
.tile-edit-mode .device-card .btn,
.tile-edit-mode .device-card .switch,
.tile-edit-mode .device-card .speed-slider,
.tile-edit-mode .device-card .speed-preset-btn,
.tile-edit-mode .device-card .security-status-box {
  pointer-events: none;
}

/* 숨긴 타일 추가 모달 리스트 */
.hidden-tiles-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 380px;
  overflow-y: auto;
  padding: 4px;
}

.hidden-tile-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.hidden-tile-row:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(56, 189, 248, 0.4);
}

.hidden-tile-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hidden-tile-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.hidden-tile-title {
  font-weight: 600;
  font-size: 14px;
  color: #fff;
}

.hidden-tile-type {
  font-size: 12px;
  color: var(--text-muted);
}

/* ================== 마스터 관리자 히든 버튼 및 콘솔 ================== */
.hidden-admin-btn {
  display: block;
  width: 100%;
  height: 20px;
  margin-top: 10px;
  background: transparent;
  border: none;
  cursor: default;
  outline: none;
  user-select: none;
  opacity: 0;
}

.admin-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.35);
  padding: 3px 10px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 700;
  margin-left: 10px;
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.admin-stat-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.admin-stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.admin-stat-val {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}

.admin-stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 3px;
}

.admin-toolbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  flex: 1;
  min-width: 240px;
}

.admin-search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 13px;
  width: 100%;
}

.admin-toolbar-btns {
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-user-table-wrap {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow-x: auto;
}

.admin-user-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.admin-user-table th {
  background: rgba(255, 255, 255, 0.05);
  padding: 12px 14px;
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.admin-user-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  vertical-align: middle;
  white-space: nowrap;
}

.admin-user-table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.admin-action-btn-group {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

/* ================== 전체 화면 마스터 관리자 콘솔 ================== */
.admin-app-layout {
  max-width: 1600px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 16px 24px;
  animation: fadeIn 0.3s ease;
}

.admin-top-nav {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.95)) !important;
  border-color: rgba(245, 158, 11, 0.4) !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 15px rgba(245, 158, 11, 0.12) !important;
}

.admin-main-container {
  display: flex;
  flex-direction: column;
  gap: 22px;
  flex: 1;
}

.admin-section-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(12px);
}

.admin-toolbar-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-toolbar-title h3 {
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
}