/* DR Factory — Smart Shelter 관제 대시보드 */
:root {
  --orange:       #FF6B35;
  --orange-light: #FF8C5A;
  --orange-pale:  rgba(255,107,53,.12);
  --orange-glow:  rgba(255,107,53,.35);
  --dark:         #1a1a2e;
  --dark2:        #16213e;
  --bg:           #f0f2f5;
  --card:         #ffffff;
  --border:       #e2e8f0;
  --border2:      #cbd5e1;
  --text1:        #1e293b;
  --text2:        #475569;
  --text3:        #94a3b8;
  --success:      #22c55e;
  --success-bg:   #f0fdf4;
  --warning:      #f59e0b;
  --warning-bg:   #fffbeb;
  --error:        #ef4444;
  --error-bg:     #fef2f2;
  --info:         #3b82f6;
  --info-bg:      #eff6ff;
  --radius:       12px;
  --radius-sm:    8px;
  --shadow:       0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
  --shadow-lg:    0 8px 32px rgba(0,0,0,.12);
  --transition:   all .2s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Pretendard','Apple SD Gothic Neo','Malgun Gothic',sans-serif;background:var(--bg);color:var(--text1);min-height:100vh}

/* ── 레이아웃 ── */
.app-layout{display:flex;flex-direction:column;height:100vh;overflow:hidden}
.app-body{display:flex;flex:1;overflow:hidden}
.app-content{flex:1;display:flex;flex-direction:column;overflow:hidden}
.main-content{display:flex;flex:1;overflow:hidden}
.shelter-area{flex:1;display:flex;flex-direction:column;overflow:hidden;padding:16px;gap:12px}
.hidden{display:none!important}

/* ── 헤더 ── */
.app-header{
  background:var(--dark);height:56px;display:flex;align-items:center;
  padding:0 20px;gap:16px;flex-shrink:0;border-bottom:2px solid var(--orange)
}
.header-logo{display:flex;align-items:center;gap:8px}
.header-logo-icon{
  width:28px;height:28px;background:var(--orange);border-radius:6px;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:white
}
.header-logo-text{font-size:15px;font-weight:700;color:white;letter-spacing:.5px}
.header-sep{width:1px;height:24px;background:rgba(255,255,255,.15)}
.header-spacer{flex:1}
.header-btn{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-sm);color:rgba(255,255,255,.7);padding:6px 12px;
  font-size:12px;cursor:pointer;transition:var(--transition);font-family:inherit
}
.header-btn:hover{background:rgba(255,255,255,.14);color:white}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--text3);transition:var(--transition)}
.status-dot.connected{background:var(--success);box-shadow:0 0 6px var(--success);animation:pulse 2s infinite}
.status-dot.connecting{background:var(--warning);animation:pulse 1s infinite}
.status-label{font-size:12px;color:rgba(255,255,255,.6)}
.status-label.connected{color:var(--success)}
.status-label.connecting{color:var(--warning)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}

/* ── 쉼터 선택기 ── */
.shelter-selector{position:relative}
.shelter-selector-btn{
  display:flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-sm);padding:6px 12px;color:white;font-size:13px;
  cursor:pointer;font-family:inherit;font-weight:600;transition:var(--transition)
}
.shelter-selector-btn:hover{background:rgba(255,255,255,.14)}
.shelter-selector-arrow{font-size:10px;color:rgba(255,255,255,.5)}
.shelter-selector-list{
  position:absolute;top:calc(100%+6px);left:0;min-width:220px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);
  box-shadow:var(--shadow-lg);z-index:100;list-style:none;overflow:hidden
}
.shelter-selector-item{
  display:flex;justify-content:space-between;align-items:center;
  width:100%;padding:10px 14px;background:none;border:none;
  cursor:pointer;font-family:inherit;transition:var(--transition);text-align:left
}
.shelter-selector-item:hover{background:var(--orange-pale)}
.shelter-selector-item.active{background:var(--orange-pale);color:var(--orange)}
.shelter-item-name{font-size:13px;font-weight:600;color:var(--text1)}
.shelter-item-id{font-size:11px;color:var(--text3)}

/* ── 사이드 네비 ── */
.nav-sidebar{
  width:68px;background:var(--dark2);border-right:1px solid rgba(255,255,255,.06);
  display:flex;flex-direction:column;align-items:center;padding:10px 0;gap:4px;flex-shrink:0
}
.nav-item{
  width:52px;height:52px;border-radius:12px;border:none;background:none;
  cursor:pointer;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:3px;transition:var(--transition);color:rgba(255,255,255,.4);
  font-family:inherit
}
.nav-item:hover{background:rgba(255,255,255,.06);color:rgba(255,255,255,.8)}
.nav-item.active{background:var(--orange-pale);color:var(--orange)}
.nav-item-icon{font-size:20px;line-height:1}
.nav-item-label{font-size:10px;font-weight:600}
.nav-bottom{margin-top:auto;padding-bottom:8px}

/* ── 센서 상태바 ── */
.sensor-bar{display:flex;gap:10px;flex-shrink:0}
.sensor-chip{
  display:flex;align-items:center;gap:8px;background:var(--card);
  border:1px solid var(--border);border-radius:10px;padding:8px 14px;
  flex:1;min-width:0;transition:var(--transition);box-shadow:var(--shadow)
}
.sensor-chip:hover{border-color:var(--orange);transform:translateY(-1px)}
.sensor-chip-icon{font-size:18px;flex-shrink:0}
.sensor-chip-data{display:flex;flex-direction:column;min-width:0}
.sensor-chip-label{font-size:10px;color:var(--text3);font-weight:500}
.sensor-chip-value{font-size:15px;font-weight:700;color:var(--text1);white-space:nowrap}
.sensor-chip-sub{font-size:10px;color:var(--text2)}

/* ── 쉼터 맵 ── */
.shelter-map-container{
  flex:1;background:var(--card);border-radius:var(--radius);border:1px solid var(--border);
  box-shadow:var(--shadow);overflow:hidden;display:flex;align-items:center;justify-content:center
}
.shelter-map-container svg{width:100%;height:100%}

/* ── 컨트롤 패널 ── */
.control-panel{
  width:0;background:var(--card);border-left:1px solid var(--border);overflow:hidden;
  transition:width .25s cubic-bezier(.4,0,.2,1);flex-shrink:0;display:flex;flex-direction:column
}
.control-panel.open{width:340px;overflow-y:auto}
.panel-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--border);flex-shrink:0
}
.panel-header-left{display:flex;align-items:center;gap:10px}
.panel-icon{
  width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-size:18px;
  background:var(--orange-pale)
}
.panel-title{font-size:14px;font-weight:700;color:var(--text1)}
.panel-subtitle{font-size:11px;color:var(--text3);margin-top:1px}
.panel-close{
  background:none;border:none;color:var(--text3);cursor:pointer;
  font-size:16px;padding:4px;line-height:1;transition:var(--transition)
}
.panel-close:hover{color:var(--text1)}
.panel-body{overflow-y:auto;flex:1}

/* ── 컨트롤 섹션 ── */
.ctrl-section{padding:16px 20px}
.ctrl-label{font-size:11px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.6px;margin-bottom:10px}
.ctrl-row{display:flex;align-items:center;gap:12px}
.divider{height:1px;background:var(--border)}

/* 전원 버튼 */
.pwr-btn{
  width:52px;height:52px;border-radius:50%;border:2px solid var(--border2);
  background:var(--bg);color:var(--text3);font-size:22px;cursor:pointer;
  transition:var(--transition);flex-shrink:0
}
.pwr-btn.on{border-color:var(--orange);background:var(--orange-pale);color:var(--orange)}
.pwr-btn:hover{border-color:var(--orange);color:var(--orange)}

/* 배지 */
.badge{
  display:inline-flex;align-items:center;padding:2px 10px;border-radius:12px;
  font-size:.72rem;font-weight:700
}
.badge.on{background:rgba(255,107,53,.15);color:var(--orange)}
.badge.off{background:rgba(148,163,184,.15);color:var(--text3)}
.badge.warn{background:rgba(245,158,11,.15);color:var(--warning)}
.badge.err{background:rgba(239,68,68,.15);color:var(--error)}
.badge.charging{background:rgba(34,197,94,.15);color:var(--success)}

/* 버튼 그룹 */
.btn-group{display:flex;flex-wrap:wrap;gap:6px}
.btn-group-btn{
  flex:1;min-width:60px;padding:8px 6px;border-radius:var(--radius-sm);
  border:1.5px solid var(--border);background:var(--bg);color:var(--text2);
  cursor:pointer;font-size:.82rem;font-weight:600;transition:var(--transition);font-family:inherit
}
.btn-group-btn:hover{border-color:var(--orange);color:var(--orange)}
.btn-group-btn.active{background:var(--orange-pale);border-color:var(--orange);color:var(--orange)}
.btn-group-btn:disabled{opacity:.4;cursor:not-allowed}

/* 기본 버튼 */
.btn-primary{
  background:var(--orange);color:white;border:none;border-radius:var(--radius-sm);
  padding:9px 18px;font-weight:700;cursor:pointer;font-size:.85rem;font-family:inherit;transition:var(--transition)
}
.btn-primary:hover{background:var(--orange-light)}
.btn-secondary{
  background:var(--bg);color:var(--text2);border:1.5px solid var(--border);
  border-radius:var(--radius-sm);padding:9px 18px;font-weight:600;cursor:pointer;
  font-size:.85rem;font-family:inherit;transition:var(--transition)
}
.btn-secondary:hover{border-color:var(--orange);color:var(--orange)}

/* 통계 그리드 */
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.stat-item{
  background:var(--bg);border-radius:var(--radius-sm);padding:10px 8px;
  display:flex;flex-direction:column;gap:2px
}
.stat-item-label{font-size:10px;color:var(--text3);font-weight:600}
.stat-item-value{font-size:20px;font-weight:800;color:var(--text1);line-height:1}
.stat-item-unit{font-size:10px;color:var(--text2)}

/* 슬라이더 */
.range-wrap{background:var(--bg);border-radius:var(--radius-sm);padding:12px}
.range-row{display:flex;align-items:center;gap:8px}
.range-input{flex:1;accent-color:var(--orange);cursor:pointer}
.range-val{
  min-width:44px;text-align:center;font-size:13px;font-weight:700;
  color:var(--orange);background:var(--orange-pale);border-radius:6px;padding:2px 6px
}

/* 토글 스위치 */
.toggle-wrap{display:flex;align-items:center;justify-content:space-between;gap:12px}
.toggle-text{font-size:13px;font-weight:600;color:var(--text1)}
.toggle-sub{font-size:11px;color:var(--text3);margin-top:2px}
.toggle{position:relative;display:inline-block;width:44px;height:24px;cursor:pointer}
.toggle input{opacity:0;width:0;height:0}
.toggle-slider{
  position:absolute;inset:0;background:var(--border2);border-radius:12px;transition:.3s
}
.toggle-slider::before{
  content:'';position:absolute;width:18px;height:18px;left:3px;bottom:3px;
  background:white;border-radius:50%;transition:.3s
}
input:checked + .toggle-slider{background:var(--orange)}
input:checked + .toggle-slider::before{transform:translateX(20px)}

/* 릴레이 그리드 */
.relay-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.relay-cell{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:10px 6px;border-radius:var(--radius-sm);border:1.5px solid var(--border);
  background:var(--bg);cursor:pointer;transition:var(--transition)
}
.relay-cell:hover{border-color:var(--orange)}
.relay-cell.on{background:var(--orange-pale);border-color:var(--orange)}
.relay-dot{width:10px;height:10px;border-radius:50%;background:var(--text3);transition:var(--transition)}
.relay-cell.on .relay-dot{background:var(--orange);box-shadow:0 0 6px var(--orange-glow)}
.relay-ch{font-size:12px;font-weight:700;color:var(--text2)}
.relay-cell.on .relay-ch{color:var(--orange)}
.relay-lbl{font-size:9px;color:var(--text3);text-align:center}

/* 전원보드 그리드 */
.pb-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.pb-cell{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 12px;border-radius:var(--radius-sm);border:1.5px solid var(--border);
  background:var(--bg);cursor:pointer;transition:var(--transition)
}
.pb-cell:hover{border-color:var(--orange)}
.pb-cell.on{background:var(--warning-bg);border-color:var(--warning)}
.pb-ch{font-size:12px;font-weight:700;color:var(--text2)}
.pb-cell.on .pb-ch{color:#92400e}
.pb-watt{font-size:12px;color:var(--text3)}
.pb-cell.on .pb-watt{color:#b45309}
.pb-led{width:10px;height:10px;border-radius:50%;background:var(--border2);flex-shrink:0}
.pb-cell.on .pb-led{background:var(--warning)}

/* 미연결 */
.no-conn-msg{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  height:120px;gap:8px;color:var(--text3);font-size:.82rem;text-align:center
}
.no-conn-icon{font-size:2rem}

/* 상태 카드 행 */
.sc-row{
  display:flex;justify-content:space-between;align-items:center;
  padding:8px 0;border-bottom:1px solid var(--border);font-size:.83rem
}
.sc-row:last-child{border-bottom:none}
.sc-label{color:var(--text3)}
.sc-val{font-weight:600;color:var(--text1)}

/* ── 로그인 화면 ── */
.login-overlay{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--dark) 0%,var(--dark2) 100%);padding:20px
}
.login-card{
  background:var(--card);border-radius:20px;padding:40px 36px;
  width:100%;max-width:380px;box-shadow:var(--shadow-lg)
}
.login-logo{display:flex;align-items:center;gap:12px;justify-content:center;margin-bottom:8px}
.login-logo-icon{font-size:2rem}
.login-logo-text{font-size:22px;font-weight:800;color:var(--text1)}
.login-subtitle{text-align:center;color:var(--text3);font-size:13px;margin-bottom:28px}
.login-form{display:flex;flex-direction:column;gap:14px}
.login-field{display:flex;flex-direction:column;gap:6px}
.login-field label{font-size:13px;font-weight:600;color:var(--text2)}
.login-field input{
  padding:11px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);
  font-size:14px;font-family:inherit;color:var(--text1);transition:var(--transition);background:var(--bg)
}
.login-field input:focus{outline:none;border-color:var(--orange)}
.login-error{background:var(--error-bg);color:var(--error);font-size:12px;padding:8px 12px;border-radius:var(--radius-sm)}
.login-btn{
  background:var(--orange);color:white;border:none;border-radius:var(--radius-sm);
  padding:12px;font-weight:700;font-size:15px;cursor:pointer;transition:var(--transition);font-family:inherit;margin-top:4px
}
.login-btn:hover{background:var(--orange-light)}
.login-btn:disabled{opacity:.6;cursor:not-allowed}
.login-footer{text-align:center;font-size:11px;color:var(--text3);margin-top:20px}

/* ── 탭 페이지 ── */
.tab-page{display:flex;flex-direction:column;height:100%;padding:16px;overflow:hidden}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;flex-shrink:0}
.page-header h2{font-size:15px;font-weight:700}

/* ── 이벤트 ── */
.event-list{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);overflow-y:auto;flex:1}
.event-item{display:flex;align-items:flex-start;gap:10px;padding:10px 14px;border-bottom:1px solid var(--border);font-size:.82rem}
.event-item:last-child{border-bottom:none}
.ev-badge{flex-shrink:0;padding:2px 8px;border-radius:10px;font-size:.7rem;font-weight:700}
.ev-info{background:rgba(59,130,246,.12);color:var(--info)}
.ev-warn{background:rgba(245,158,11,.12);color:var(--warning)}
.ev-err{background:rgba(239,68,68,.12);color:var(--error)}
.ev-msg{color:var(--text2);flex:1}
.ev-time{color:var(--text3);font-size:.72rem;white-space:nowrap}

/* ── MQTT 로그 ── */
.log-row{display:flex;align-items:flex-start;gap:10px;padding:6px 14px;border-bottom:1px solid var(--border);font-size:.75rem;font-family:monospace}
.log-row:last-child{border-bottom:none}
.log-dir-rx{color:var(--info);font-weight:700}
.log-dir-tx{color:var(--orange);font-weight:700}
.log-topic{color:var(--text1);font-weight:600;flex-shrink:0;max-width:200px;overflow:hidden;text-overflow:ellipsis}
.log-payload{color:var(--text3);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.log-ts{color:var(--text3);flex-shrink:0}

/* ── 관리자 ── */
.admin-table{width:100%;border-collapse:collapse;font-size:.83rem}
.admin-table th{padding:8px 12px;background:var(--bg);color:var(--text3);font-size:.75rem;text-transform:uppercase;letter-spacing:.4px;border-bottom:2px solid var(--border);text-align:left}
.admin-table td{padding:10px 12px;border-bottom:1px solid var(--border);color:var(--text1)}

/* ── 모달 ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}
.modal{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-lg);max-width:95vw}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border)}
.modal-title{font-weight:700;font-size:.95rem}
.modal-close{background:none;border:none;color:var(--text3);cursor:pointer;font-size:1.1rem}
.modal-close:hover{color:var(--text1)}
.modal-body{padding:18px}
.modal-tabs{display:flex;border-bottom:1px solid var(--border)}
.modal-tab{
  padding:10px 18px;border:none;background:none;color:var(--text3);
  border-bottom:2px solid transparent;cursor:pointer;font-size:.83rem;font-weight:600;
  font-family:inherit;transition:var(--transition)
}
.modal-tab.active{color:var(--orange);border-bottom-color:var(--orange)}

/* ── 폼 ── */
.form-group{margin-bottom:12px}
.form-label{display:block;font-size:.78rem;font-weight:600;color:var(--text2);margin-bottom:5px}
.form-input{
  width:100%;background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius-sm);
  padding:9px 12px;color:var(--text1);font-size:.85rem;font-family:inherit;transition:var(--transition)
}
.form-input:focus{outline:none;border-color:var(--orange)}

/* ── 전원 스케줄러 ── */
.power-scheduler{
  background:var(--card);border-radius:var(--radius);border:1px solid var(--border);
  padding:12px 16px;flex-shrink:0;box-shadow:var(--shadow)
}
.ps-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.ps-title{font-size:12px;font-weight:700;color:var(--text2)}
.ps-bars{display:flex;gap:4px;height:40px;align-items:flex-end}
.ps-bar-wrap{display:flex;flex-direction:column;align-items:center;gap:2px;flex:1}
.ps-bar{width:100%;border-radius:3px 3px 0 0;transition:height .3s;min-height:2px;background:var(--orange-pale);border:1px solid var(--orange)}
.ps-bar-lbl{font-size:8px;color:var(--text3)}

/* ── 지도 탭 ── */
.map-tab{display:flex;gap:16px;height:calc(100% - 52px)}
.map-area{flex:1;border-radius:var(--radius);overflow:hidden;background:#e8edf3}
.device-list{width:260px;overflow-y:auto}
.device-card{
  background:var(--card);border-radius:var(--radius-sm);padding:12px 14px;margin-bottom:8px;
  border:1px solid var(--border);cursor:pointer;transition:var(--transition);box-shadow:var(--shadow)
}
.device-card:hover{border-color:var(--orange)}
.device-name{font-weight:700;font-size:.85rem}
.device-id{font-size:.75rem;color:var(--text3);margin-top:2px}
.dot-online{color:var(--success)}
.dot-offline{color:var(--text3)}