/* GasCloud 공통 디자인 (목업 v0.2 assets/common.css 에서 가져옴. 목업 안내 바만 뺐다)
   레이아웃: 관리자=좌측 내비 + 작업영역, 모바일·고객=디바이스 프레임 안의 단일 컬럼 앱 */
:root{
  --navy:#0A1F2E; --navy-2:#1F3A4D; --orange:#FF6B2C; --orange-soft:#FFEDE3; --amber:#FFB23F; --cyan:#2EC4D6;
  --red:#D93A3F; --red-soft:#FDE8E8; --green:#1E9461; --green-soft:#DDF5E9; --blue-soft:#DDF4F7; --blue:#0E7D8C;
  --bg:#EEF2F5; --surface:#FFFFFF; --surface-2:#F5F8FA; --line:#DCE3E9; --line-2:#C5D0D9;
  --ink:#16232E; --ink-2:#4A5B68; --ink-3:#7A8A96; --on-dark:#FFFFFF; --shadow:0 1px 2px #0A1F2E14,0 8px 24px #0A1F2E10;
  --font:"IBM Plex Sans KR","Pretendard","Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --r:10px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --orange-soft:#3A2216; --red-soft:#3A1A1C; --green-soft:#14301F; --blue-soft:#11313A; --blue:#6FD6E3; --red:#F2686C; --green:#4CC98E;
  --bg:#0C161E; --surface:#13212C; --surface-2:#182A37; --line:#243746; --line-2:#33495A;
  --ink:#E4ECF1; --ink-2:#AEBDC8; --ink-3:#7D909E; --shadow:0 1px 2px #0006,0 8px 24px #0005; color-scheme:dark}}
:root[data-theme="dark"]{
  --orange-soft:#3A2216; --red-soft:#3A1A1C; --green-soft:#14301F; --blue-soft:#11313A; --blue:#6FD6E3; --red:#F2686C; --green:#4CC98E;
  --bg:#0C161E; --surface:#13212C; --surface-2:#182A37; --line:#243746; --line-2:#33495A;
  --ink:#E4ECF1; --ink-2:#AEBDC8; --ink-3:#7D909E; --shadow:0 1px 2px #0006,0 8px 24px #0005; color-scheme:dark}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;text-wrap:balance;line-height:1.3}
a{color:inherit}
.num,.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.muted{color:var(--ink-3)}
.sm{font-size:12px}
.hidden,[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}


/* ---------- 버튼·입력 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 14px;border-radius:8px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);font:inherit;font-weight:600;cursor:pointer;white-space:nowrap;text-decoration:none}
.btn:hover{border-color:var(--ink-3)}
.btn.primary{background:var(--orange);border-color:var(--orange);color:#fff}
.btn.primary:hover{filter:brightness(.95)}
.btn.dark{background:var(--navy);border-color:var(--navy);color:#fff}
:root[data-theme="dark"] .btn.dark{background:var(--navy-2);border-color:var(--line-2)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn.dark{background:var(--navy-2);border-color:var(--line-2)}}
.btn.ghost{border-color:transparent;background:transparent}
.btn.danger{color:var(--red);border-color:var(--red)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;filter:none}
.btn.sm{height:28px;padding:0 10px;font-size:12px}
.btn.lg{height:48px;font-size:15px;border-radius:12px}
.btn.block{width:100%}
.field{display:flex;flex-direction:column;gap:4px;min-width:0}
.field>span{font-size:12px;color:var(--ink-2);font-weight:600}
.input,select.input,textarea.input{height:36px;border:1px solid var(--line-2);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit;padding:0 10px;min-width:0;width:100%}
textarea.input{height:auto;padding:8px 10px;resize:vertical}
.input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px var(--orange-soft)}
.input.err{border-color:var(--red);background:var(--red-soft)}
.input.warn{border-color:var(--amber)}
.input.num{text-align:right}
.err-msg{color:var(--red);font-size:12px}

/* ---------- 칩·배지 ---------- */
.chip{display:inline-flex;align-items:center;gap:4px;height:22px;padding:0 8px;border-radius:99px;font-size:11px;font-weight:700;white-space:nowrap}
.chip.o{background:var(--orange-soft);color:var(--orange)}
.chip.g{background:var(--green-soft);color:var(--green)}
.chip.r{background:var(--red-soft);color:var(--red)}
.chip.c{background:var(--blue-soft);color:var(--blue)}
.chip.s{background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line)}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;background:currentColor}

/* ---------- 카드·표 ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);min-width:0}
.card-h{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.card-h h3{font-size:14px}
.card-b{padding:14px 16px}
.tbl-scroll{overflow-x:auto}
table.t{width:100%;border-collapse:collapse;font-size:13px}
table.t th{background:var(--surface-2);color:var(--ink-2);font-weight:600;text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
table.t td{padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
table.t tr.sel td{background:var(--orange-soft)}
table.t tbody tr{cursor:default}
table.t tbody tr.click{cursor:pointer}
table.t tbody tr.click:hover td{background:var(--surface-2)}
table.t td.r,table.t th.r{text-align:right}
table.t input.input{height:30px}
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.kpi small{display:block;color:var(--ink-3);font-size:12px}
.kpi b{font-family:var(--mono);font-size:22px;font-variant-numeric:tabular-nums}
.kpi.alert{border-color:var(--red)}.kpi.alert b{color:var(--red)}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto}
.tab{background:none;border:0;border-bottom:2px solid transparent;padding:10px 12px;font:inherit;color:var(--ink-2);cursor:pointer;white-space:nowrap}
.tab.on{color:var(--orange);border-bottom-color:var(--orange);font-weight:700}
.tab .cnt{font-family:var(--mono);font-size:11px;margin-left:4px;color:var(--ink-3)}

/* ---------- 모달·드로어·토스트 ---------- */
.overlay{position:fixed;inset:0;background:#0A1F2E99;z-index:50;display:flex;align-items:center;justify-content:center;padding:16px}
.modal{background:var(--surface);border-radius:14px;box-shadow:0 20px 50px #0007;width:min(520px,100%);max-height:calc(100% - 32px);overflow:auto}
.modal-h{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:10px}
.modal-h h3{font-size:16px}
.modal-b{padding:16px 20px;display:flex;flex-direction:column;gap:12px}
.modal-f{padding:12px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.x{background:none;border:0;font-size:20px;line-height:1;color:var(--ink-3);cursor:pointer}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(420px,100%);background:var(--surface);z-index:51;box-shadow:-10px 0 30px #0005;display:flex;flex-direction:column}
.drawer .modal-b{flex:1;overflow:auto}
.toast-wrap{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:80;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{background:var(--navy);color:#fff;border-radius:10px;padding:10px 16px;font-size:13px;box-shadow:0 10px 30px #0005;animation:tin .2s ease-out}
.toast.ok::before{content:"✓ ";color:#6EE7A8}
.toast.bad::before{content:"! ";color:#FF9A9D;font-weight:800}
@keyframes tin{from{opacity:0;transform:translateY(8px)}}
.notice{border-radius:10px;padding:10px 14px;font-size:13px;display:flex;gap:8px;align-items:flex-start}
.notice.warn{background:var(--orange-soft);color:var(--ink)}
.notice.warn::before{content:"⚠";color:var(--orange);font-weight:800}
.notice.bad{background:var(--red-soft)}
.notice.bad::before{content:"⚠";color:var(--red);font-weight:800}
.notice.info{background:var(--blue-soft)}

/* ---------- 관리자 셸 ---------- */
.adm{display:grid;grid-template-columns:220px minmax(0,1fr);min-height:100vh}
.side{background:var(--navy);color:#B8C6D0;padding:18px 12px;display:flex;flex-direction:column;gap:2px}
.side .logo{display:flex;align-items:center;gap:8px;color:#fff;font-weight:700;padding:0 8px 18px}
.side .logo i{width:28px;height:28px;border-radius:8px;background:var(--orange);display:flex;align-items:center;justify-content:center;font-style:normal}
.side .tenant{font-size:11px;color:#8FA2B0;padding:0 8px 14px;border-bottom:1px solid #ffffff1a;margin-bottom:10px}
.side .grp{font-size:11px;letter-spacing:.08em;color:#6E8494;padding:12px 10px 4px}
.side a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;text-decoration:none;font-size:13px}
.side a:hover{background:#ffffff12;color:#fff}
.side a.on{background:var(--orange);color:#fff;font-weight:700}
.side a.off{opacity:.45;pointer-events:none}
.side svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.work{display:flex;flex-direction:column;min-width:0}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 24px;background:var(--surface);border-bottom:1px solid var(--line);flex-wrap:wrap}
.crumb{font-size:12px;color:var(--ink-3)}
.top h1{font-size:20px}
.top .who{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.top .av{width:30px;height:30px;border-radius:50%;background:var(--navy-2);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px}
.page{padding:20px 24px 40px;display:flex;flex-direction:column;gap:16px;min-width:0}
.bar{display:flex;align-items:flex-end;gap:10px;flex-wrap:wrap}
.bar .sp{flex:1}
@media (max-width:900px){
  .adm{grid-template-columns:1fr}
  .side{flex-direction:row;overflow-x:auto;padding:8px 12px;gap:4px;align-items:center}
  .side .logo{padding:0 8px 0 0}.side .tenant,.side .grp{display:none}
  .side a{white-space:nowrap}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
  .top,.page{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
}

/* ---------- 모바일 디바이스 프레임 ---------- */
.stage{display:flex;justify-content:center;align-items:flex-start;gap:32px;padding:28px max(16px,env(safe-area-inset-right,0px)) 40px max(16px,env(safe-area-inset-left,0px));flex-wrap:wrap}
.device{width:390px;max-width:100%;height:800px;border:12px solid #0A1F2E;border-radius:44px;background:var(--bg);overflow:hidden;position:relative;box-shadow:0 30px 60px #0A1F2E40;display:flex;flex-direction:column}
.device .status{height:34px;flex:none;background:var(--navy);color:#fff;font-size:12px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;font-family:var(--mono)}
.app-h{flex:none;background:var(--navy);color:#fff;padding:10px 16px 14px;display:flex;align-items:center;gap:10px}
.app-h h2{font-size:17px;flex:1}
.app-h .back{background:none;border:0;color:#fff;font-size:22px;cursor:pointer;padding:0 4px}
.app-b{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:12px;position:relative}
.app-f{flex:none;padding:12px 14px calc(12px + env(safe-area-inset-bottom,0px));background:var(--surface);border-top:1px solid var(--line);display:flex;gap:8px}
.app-f .btn{flex:1}
.device .overlay,.device .sheet-wrap{position:absolute}
.sheet-wrap{inset:0;background:#0A1F2E99;z-index:40;display:flex;align-items:flex-end}
.sheet{background:var(--surface);width:100%;border-radius:20px 20px 0 0;padding:18px 16px 20px;display:flex;flex-direction:column;gap:12px;animation:sup .22s ease-out}
.sheet .grab{width:40px;height:4px;border-radius:2px;background:var(--line-2);margin:-6px auto 4px}
@keyframes sup{from{transform:translateY(40px);opacity:0}}
.side-note{width:300px;max-width:100%;display:flex;flex-direction:column;gap:12px;font-size:13px;color:var(--ink-2)}
.side-note h3{font-size:15px;color:var(--ink)}
.side-note ol{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:6px}
.side-note .id{font-family:var(--mono);font-weight:700;color:var(--orange)}
@media (max-width:480px){
  .stage{padding:0;gap:0}
  .device{border:0;border-radius:0;height:100vh;width:100%;box-shadow:none}
  .device .status{display:none}
  .side-note{padding:20px 16px}
}
.seg{display:flex;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:3px;gap:3px}
.seg button{flex:1;border:0;background:none;padding:8px 4px;border-radius:7px;font:inherit;font-size:13px;color:var(--ink-2);cursor:pointer}
.seg button.on{background:var(--surface);color:var(--ink);font-weight:700;box-shadow:0 1px 3px #0002}
.pills{display:flex;flex-wrap:wrap;gap:6px}
.pill{border:1px solid var(--line-2);background:var(--surface);color:var(--ink-2);border-radius:99px;padding:6px 12px;font:inherit;font-size:12px;cursor:pointer}
.pill.on{background:var(--navy);border-color:var(--navy);color:#fff}
:root[data-theme="dark"] .pill.on{background:var(--orange);border-color:var(--orange)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .pill.on{background:var(--orange);border-color:var(--orange)}}