:root{--bg:#f4f6fb;--card:#ffffff;--text:#1d2433;--muted:#6b7385;--accent:#3b6ff5;--accent-soft:#e7eeff;--border:#e2e6ef;--radius:12px}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--bg:#12151c;--card:#1b202b;--text:#e8ebf2;--muted:#9aa3b5;--accent:#6d93ff;--accent-soft:#243150;--border:#2c3342}}
:root[data-theme="dark"]{--bg:#12151c;--card:#1b202b;--text:#e8ebf2;--muted:#9aa3b5;--accent:#6d93ff;--accent-soft:#243150;--border:#2c3342}
*{box-sizing:border-box}
[hidden]{display:none!important}   /* display:flex 등을 준 요소도 hidden 이면 숨김 */
body{margin:0;background:var(--bg);color:var(--text);font-family:"Malgun Gothic","Apple SD Gothic Neo",system-ui,sans-serif;padding:16px}
.wrap{max-width:1000px;margin:0 auto}
h1{font-size:22px;margin:0}
h1 .tagline,.brand .tagline{font-size:13px;font-weight:500;color:var(--muted);margin-left:6px}
/* 제목 + 접속 정보 */
.top{display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;margin:8px 0 16px}
.visitor{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:12px;color:var(--muted)}
.visitor b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}
/* 설명 글 (사용법, 안내 페이지) */
.article{font-size:14px;line-height:1.75}
.article h3{font-size:15px;margin:18px 0 6px}
.article h3:first-child{margin-top:4px}
.article p,.article ul{margin:0 0 10px}
.article ul{padding-left:20px}
.article table{margin:6px 0 12px;font-size:13px}
.article td,.article th{white-space:normal}
a{color:var(--accent)}
.more{font-weight:700}
h2{font-size:16px;margin:0 0 12px}
section{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px}
.muted{color:var(--muted)}
.notice{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;margin:0 0 12px;padding:10px 12px;border-radius:8px;background:var(--accent-soft);color:var(--text);font-size:13px}
.share-msg{font-size:12px;color:var(--accent);align-self:center}
.share-url{width:min(420px,100%);font-size:12px;padding:6px 8px}
.warn{margin:0 0 12px;padding:10px 12px;border-radius:8px;background:#fff4d6;color:#7a5200;font-size:13px}

/* 기능별 탭 (스크롤해도 위에 붙어 있음, 좁은 화면에서는 옆으로 밀어서) */
.tabs{position:sticky;top:0;z-index:20;display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;margin:0 -16px 14px;padding:8px 16px;background:var(--bg);border-bottom:1px solid var(--border)}
.tabs::-webkit-scrollbar{display:none}
.tabs button,.tabs a{flex:0 0 auto;padding:6px 12px;border:1px solid var(--border);border-radius:999px;background:var(--card);color:var(--text);font-size:14px;text-decoration:none;line-height:1.4}
.tabs button:hover,.tabs a:hover{border-color:var(--accent)}
.tabs .on{background:var(--accent);border-color:var(--accent);color:#fff}
/* 현재 시간 탭: 시간 관련 글자만 (제목·보정 안내 숨기고, 버튼은 아이콘만 흐리게, 시계는 더 크게) */
body[data-view="now"] #heroToggle,body[data-view="now"] #heroSub,body[data-view="now"] .hero-sync,body[data-view="now"] .hero-tools .btn-txt{display:none}
body[data-view="now"] .hero-tools .ms-btn{opacity:.45;padding:4px 8px}
body[data-view="now"] .hero-tools .ms-btn:hover,body[data-view="now"] .hero-tools .ms-btn:focus-visible{opacity:1}
body[data-view="now"] #heroBody{margin-top:0}
body[data-view="now"] .hero{padding:10px 16px 28px}
body[data-view="now"] .hero-place{font-size:16px}
/* 크기 조절 --hz (hero.js). 화면 폭을 넘지 않게 상한 */
body[data-view="now"] .hero{overflow:hidden}
body[data-view="now"] .wrap{max-width:none}   /* 현재 시간 탭은 창 전체 폭 */
body[data-view="now"] #heroBody{container-type:inline-size}
body[data-view="now"] .hero-time{font-size:min(calc(clamp(56px,15vw,150px) * var(--hz,1)),19cqi)}
.zoom{display:none;gap:2px}
body[data-view="now"] .zoom{display:inline-flex}
.zoom .ms-btn{min-width:30px}
#zoomPct{font-variant-numeric:tabular-nums;min-width:52px}
body[data-view="now"] .hero-date{font-size:clamp(16px,2.4vw,22px)}
/* 광고 자리 (js/ads.js). 광고가 늦게 떠도 화면이 밀리지 않게 높이를 미리 잡아 둠 */
.ad-slot{min-height:100px;margin:0 0 16px;text-align:center;overflow:hidden}
.ad-slot.preview{display:flex;align-items:center;justify-content:center;border:2px dashed var(--border);border-radius:var(--radius);color:var(--muted);font-size:13px}
body[data-view="now"] .ad-slot{display:none!important}   /* 현재 시간 탭은 시계만 */
/* 국가 추가: 열고 닫기 */
.panel-h{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.panel-h .toggle{background:transparent;color:var(--text);font-weight:700;font-size:16px;padding:4px 6px 4px 0}
.panel-h .arrow{display:inline-block;font-size:11px;color:var(--muted);transition:transform .15s}
.panel.open .arrow{transform:rotate(90deg)}
.panel-h .sub{font-size:12px;color:var(--muted)}
.panel #addBody,.panel #checks,.panel #clocks,.panel #convBody,.panel #helpBody,.panel #heroBody{margin-top:14px}

/* 오프셋 다중 선택 드롭다운 */
.ms{position:relative}
.ms-btn,.reset{font-size:13px;padding:6px 10px;background:var(--bg);color:var(--text);border:1px solid var(--border)}
.reset{color:#d64545}
.ms-menu{position:absolute;z-index:10;top:calc(100% + 4px);left:0;width:280px;max-width:calc(100vw - 32px);max-height:340px;overflow:auto;background:var(--card);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.18);padding:6px}
.ms-menu label{display:flex;gap:8px;align-items:center;padding:6px 8px;border-radius:6px;font-size:13px;cursor:pointer}
.ms-menu label:hover{background:var(--accent-soft)}
.ms-menu .ms-clear{width:100%;margin-bottom:4px;font-size:12px;padding:5px;background:transparent;color:var(--accent);border:1px solid var(--border)}

/* 오프셋 그룹 */
.group{margin-bottom:16px}
.group:last-child{margin-bottom:0}
.group-h{display:flex;align-items:baseline;gap:8px;margin-bottom:8px;padding-bottom:6px;border-bottom:1px solid var(--border)}
.off{font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}
.group-h .sub{font-size:12px;color:var(--muted)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.clock{position:relative;border:1px solid var(--border);border-radius:10px;padding:10px 12px}
.sec-h{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;margin-bottom:12px}
.sec-h h2{margin:0}
.grid.rest{margin-top:10px}
.clock.utc{border-style:dashed}
.dst{display:inline-block;font-size:10px;padding:1px 5px;border-radius:5px;margin-left:4px;vertical-align:1px;white-space:nowrap}
.dst.on{background:#ffe6c7;color:#9a4a00}
.dst.off{background:#dbe7ff;color:#1d3f9c}
.dst.none{background:var(--border);color:var(--muted)}
.clock .lbl{font-size:11px;color:var(--muted)}
.clock .now-lbl{margin-top:4px}
.dst-rows{margin-top:6px;padding-top:6px;border-top:1px dashed var(--border);font-size:13px;font-variant-numeric:tabular-nums;display:grid;gap:2px}
.dst-rows .lbl{display:inline-block;width:64px}
.dst-period{margin-top:6px;padding-top:6px;border-top:1px dashed var(--border);font-size:11px;color:var(--muted);line-height:1.5}
td.dst-cell{font-size:12px;white-space:nowrap}
.clock .x{position:absolute;top:6px;right:6px;width:24px;height:24px;padding:0;border-radius:6px;background:transparent;color:var(--muted);font-size:18px;line-height:22px}
.clock .x:hover{background:var(--border);color:var(--text)}
.clock.fixed{border-color:var(--accent)}
.clock .name{padding-right:22px}
/* 카드 순서 바꾸기 */
.mv-row{display:flex;justify-content:flex-end;gap:4px;margin-top:6px}
.mv{padding:2px 8px;font-size:11px;line-height:18px;background:transparent;color:var(--muted);border:1px solid var(--border);border-radius:6px}
.mv:hover,.mv:focus-visible{color:var(--text);background:var(--border)}
/* 큰 대표 시계 */
.hero{position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px 16px;margin-bottom:16px;text-align:center}
.hero-h{text-align:left}
.hero-tools{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:6px;margin-left:auto}
.hero.open #heroSub{display:none}   /* 접었을 때만 제목 옆에 시각 */
#heroSub{font-size:14px;font-variant-numeric:tabular-nums;color:var(--text)}
.hero-place{font-size:14px;margin-top:4px}
.hero-time{font-size:clamp(40px,11vw,88px);font-weight:700;font-variant-numeric:tabular-nums;line-height:1.15;margin:6px 0 4px;letter-spacing:-1px}
.hero-time .ms{font-size:.45em;font-weight:500;color:var(--muted);letter-spacing:0}
.hero-date{font-size:16px;color:var(--muted)}
.hero-sync{font-size:12px;color:var(--muted);margin-top:8px}
.settings{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px;margin-top:12px;padding-top:12px;border-top:1px dashed var(--border);font-size:13px}
.settings label{display:flex;align-items:center;gap:6px;cursor:pointer}
.hero:fullscreen{display:flex;flex-direction:column;justify-content:center;margin:0;border:0;border-radius:0;background:var(--bg)}
.hero:fullscreen .hero-tools{position:absolute;top:16px;right:16px}
.hero:fullscreen #settingsBtn,.hero:fullscreen .settings,.hero:fullscreen #heroToggle,.hero:fullscreen #heroSub{display:none}
.hero:fullscreen #heroBody{display:block!important}   /* 접혀 있어도 전체화면에서는 보임 */
.hero:fullscreen .hero-place{font-size:clamp(16px,2.5vw,28px)}
.hero:fullscreen .hero-time{font-size:min(19vw,38vh)}
.hero:fullscreen .hero-date{font-size:clamp(18px,3vw,34px)}
.hero:fullscreen .hero-sync{font-size:clamp(12px,1.4vw,16px)}
.clock .name{font-weight:700}
.clock .city{font-size:12px;color:var(--muted)}
.clock .time{font-size:26px;font-variant-numeric:tabular-nums;margin:4px 0 2px}
.clock .meta{font-size:12px;color:var(--muted)}

.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:6px 10px}
.checks label{display:flex;align-items:center;gap:6px;font-size:14px;cursor:pointer}
.checks label.locked{cursor:default;color:var(--muted)}
.checks .nm{display:flex;flex-direction:column;line-height:1.3}
.checks .en{font-size:11px;color:var(--muted)}
/* 국가 추가 검색 */
.zsearch input{width:100%}
.sresults{max-height:320px;overflow:auto;margin-top:6px}
.sr{display:flex;flex-wrap:wrap;align-items:center;gap:4px 12px;padding:6px 4px;border-bottom:1px dashed var(--border);font-size:14px}
.sr .nm{display:flex;flex-direction:column;line-height:1.3;flex:1 1 200px}
.sr .en{font-size:11px;color:var(--muted)}
.sr .s-time{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.sr .ms-btn.on{color:var(--accent);border-color:var(--accent)}
.s-hint{font-size:12px;margin:4px 0}
.group-h .all{margin-left:4px;font-size:12px;padding:3px 8px;background:transparent;color:var(--accent);border:1px solid var(--border)}
.badge{font-size:10px;padding:1px 5px;border-radius:5px;background:var(--accent-soft);color:var(--accent)}

.row{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;margin-bottom:14px}
.row label{display:flex;flex-direction:column;font-size:12px;color:var(--muted);gap:4px}
input,select{font:inherit;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text)}
button{font:inherit;padding:8px 14px;border:0;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer}

table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-weight:500;font-size:12px}
td.t{font-variant-numeric:tabular-nums;font-weight:700;font-size:16px}
/* 시간 변환 표: 칸마다 두 줄로 고정 (줄바꿈 없이 윗줄 + 아랫줄 .l2) */
.tbl-wrap{overflow-x:auto}
#convRows td{white-space:nowrap;vertical-align:top}
.l2{display:block;margin-top:3px;font-size:12px}
.l2 .tag{margin-left:0}
/* 화면이 좁아지면 DST 시작/종료 칸부터 숨김 */
@media (max-width:840px){.conv .dst-cell{display:none}}
tr.grp td{background:var(--accent-soft);padding:7px 8px;border-bottom:0}
tr.grp .sub{font-size:12px;color:var(--muted);margin-left:8px}
.tag{font-size:11px;padding:2px 6px;border-radius:6px;margin-left:6px;background:var(--border);color:var(--muted)}
.tag.next{background:#ffe6c7;color:#9a4a00}
.tag.prev{background:#dbe7ff;color:#1d3f9c}
.tag.base{background:var(--accent);color:#fff}
.hint{font-size:12px;color:var(--muted);margin:10px 0 0}
/* 카운트다운 */
.panel #cdBody{margin-top:14px}
.cd-left{font-size:clamp(32px,8vw,56px);font-weight:700;font-variant-numeric:tabular-nums;text-align:center;margin:6px 0 10px}
.cd-left.muted{font-size:16px;font-weight:400}
.cd-left.soon{color:#d64545}
.cd-left.done{color:var(--accent);font-size:clamp(22px,5vw,32px)}
.cd-alarms{display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;font-size:13px}
.cd-alarms label{display:flex;align-items:center;gap:6px;cursor:pointer}
.cd-alarms .lbl{color:var(--muted);font-size:12px}
#cdBody .notice{margin-top:10px}
/* 도시별 페이지 */
.city-h1{font-size:18px;margin:0 0 6px}
.brand{font-size:22px;font-weight:700;color:var(--text);text-decoration:none}
.list-h1{margin:0 0 12px}
.city-h1 .en,.city-group h3 .en{font-size:12px;font-weight:400;color:var(--muted);margin-left:4px}
.city-group a .en{display:block;font-size:11px;color:var(--muted)}
.city-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:0 24px}
.city-group h3{margin:12px 0 4px}
.city-group ul{list-style:none;padding:0;margin:0}
.city-group li{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:4px 0;border-bottom:1px dashed var(--border)}
.ct{font-variant-numeric:tabular-nums;color:var(--muted);font-size:13px;white-space:nowrap}
.city-links{columns:2;column-gap:24px}
#cityConv td,#cityConv th{white-space:nowrap}
/* 회의 시간 찾기 */
.planner{margin-top:18px;padding-top:14px;border-top:1px solid var(--border)}
.plan-h{font-size:15px;margin:0 0 6px}
.plan-h .muted{font-size:12px;font-weight:400}
.plan-sum{font-size:13px;margin:0 0 10px}
table.plan{width:auto;border-collapse:separate;border-spacing:2px;font-size:12px}
table.plan th,table.plan td{padding:0;border:0;text-align:center;font-variant-numeric:tabular-nums}
table.plan .pz{position:sticky;left:0;z-index:1;background:var(--card);text-align:left;padding:0 8px 0 0;white-space:nowrap;font-weight:500;font-size:12px;color:var(--text)}
table.plan thead th button{width:30px;padding:3px 0;font-size:11px;background:transparent;color:var(--muted);border-radius:6px}
table.plan thead th.all button{background:var(--accent-soft);color:var(--accent);font-weight:700}
table.plan thead th.cur button{outline:2px solid var(--accent)}
table.plan td{width:30px;height:28px;border-radius:5px;cursor:pointer;line-height:1}
table.plan td small{font-size:8px}
table.plan td.cur{outline:2px solid var(--accent);outline-offset:-1px}
.planner .work{background:#cdeccf;color:#1d5b22}
.planner .edge{background:#fff1c4;color:#7a5200}
.planner .night{background:var(--border);color:var(--muted)}
.planner td.other-day{box-shadow:inset 0 -3px 0 #8a7fd8}
.plan-legend{font-size:11px;color:var(--muted);margin:8px 0 0;line-height:1.9}
.plan-legend .sw{display:inline-block;width:12px;height:12px;border-radius:3px;vertical-align:-2px;margin:0 3px 0 8px}
.plan-legend .sw:first-child{margin-left:0}
.plan-legend .sw.other-day{background:var(--card);box-shadow:inset 0 -3px 0 #8a7fd8;border:1px solid var(--border)}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .planner .work{background:#1f4a2a;color:#bfe8c6}:root:not([data-theme="light"]) .planner .edge{background:#4a3d14;color:#f3dc9a}}
:root[data-theme="dark"] .planner .work{background:#1f4a2a;color:#bfe8c6}
:root[data-theme="dark"] .planner .edge{background:#4a3d14;color:#f3dc9a}
.footer{text-align:center;font-size:12px;color:var(--muted);padding:8px 0 4px}
.footer .links{margin-bottom:4px}
/* 더 좁아지면 표를 카드처럼 세로로 */
@media (max-width:720px){
  table.conv thead{display:none}
  table.conv, .conv tbody, .conv tr, .conv td{display:block;width:100%}
  .conv tr{border-bottom:1px solid var(--border);padding:6px 0}
  .conv td{border:0;padding:2px 0}
  tr.grp{padding:0;border:0;margin-top:8px}
  tr.grp td{padding:7px 8px;border-radius:6px}
  /* 머리줄이 숨겨지므로 칸 이름을 앞에 붙임 */
  td[data-label]::before{content:attr(data-label);display:inline-block;width:72px;font-size:11px;font-weight:400;color:var(--muted)}
  .l2{display:inline;margin-left:6px}
  #convRows td{white-space:normal}
}