/* 레슨온 — 쪽빛 공연 티켓 (DESIGN.md)
   포인트 색은 --brand 한 값만 바꾸면 전체가 바뀜 (아이콘 확정 후 교체) */
:root{
  --navy:#1E2B4F; --navy-2:#2A3A66; --navy-ink:#E9ECF5;
  --brand:#E2502F; --brand-ink:#fff; --brand-soft:#FCEBE5;
  --bg:#F3F4F7; --card:#FFFFFF; --ink:#151A2B; --sub:#5F6578; --faint:#9AA0B1; --line:#E4E6ED; --fill:#ECEEF3;
  --ok:#138A6A; --ok-soft:#E2F3EE; --warn:#9A6411; --warn-soft:#FBF0DA; --blue:#3B5BDB; --blue-soft:#E8EDFC;
  --r:16px; --shadow:0 1px 2px rgba(21,26,43,.05),0 4px 14px rgba(21,26,43,.05);
  --main:var(--brand); --main-soft:var(--brand-soft);
  --sat:env(safe-area-inset-top,0px); --sab:env(safe-area-inset-bottom,0px);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%;background:var(--navy)}
body{font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.55;letter-spacing:-.01em;-webkit-font-smoothing:antialiased;font-feature-settings:"tnum" 0}
::selection{background:var(--navy);color:#fff}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:8px}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;letter-spacing:inherit}
input,textarea,select{font:inherit;color:inherit;letter-spacing:inherit;caret-color:var(--brand)}
a{color:inherit}
.i{flex:0 0 auto;display:block}
b,strong{font-weight:700}

/* ── 틀: 쪽빛 헤더 띠 + 흰 탭바 ── */
.app{max-width:480px;margin:0 auto;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;background:var(--bg)}
header{position:sticky;top:0;z-index:5;background:var(--navy);color:#fff;padding:calc(12px + var(--sat)) 20px 14px}
.brand{display:none}
.roles{display:flex;gap:2px;align-items:center;min-height:44px}
.hello small{display:block;font-size:12px;color:rgba(233,236,245,.62);font-weight:500;line-height:1.3}
.hello > div{font-size:17px;font-weight:700;letter-spacing:-.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bell{position:relative;width:42px;height:42px;display:flex;align-items:center;justify-content:center;border-radius:12px;color:#fff}
.bell:active{background:rgba(255,255,255,.1)}
.bell .dot{top:5px;right:4px;border-color:var(--navy)}
select.who{appearance:none;-webkit-appearance:none;border:0;background:rgba(255,255,255,.12) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 10px center;color:#fff;border-radius:10px;padding:6px 30px 6px 10px;font-size:16px;font-weight:700;max-width:230px}
select.who option{color:var(--ink)}
main{flex:1;padding:4px 20px calc(104px + var(--sab))}
nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;background:#fff;box-shadow:0 -1px 0 var(--line);display:flex;z-index:6;padding:6px 8px calc(6px + var(--sab))}
nav:empty{display:none}
nav button{flex:1;padding:6px 0 4px;font-size:11px;font-weight:600;color:var(--faint);display:flex;flex-direction:column;align-items:center;gap:3px;position:relative;border-radius:12px;transition:color .2s}
nav button .i{transition:transform .25s var(--ease)}
nav button.on{color:var(--navy)}
nav button.on .i{transform:translateY(-1px)}
nav button.on::after{content:"";position:absolute;top:-6px;left:50%;width:20px;height:3px;border-radius:0 0 3px 3px;background:var(--navy);transform:translateX(-50%)}
.dot{position:absolute;top:2px;right:calc(50% - 22px);background:var(--brand);color:#fff;font-size:10px;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 5px;font-weight:700;border:2px solid #fff;font-variant-numeric:tabular-nums}

/* ── 글자 ── */
h2{font-size:22px;font-weight:800;margin:20px 0 14px;letter-spacing:-.03em}
h3{font-size:15px;font-weight:700;margin:26px 0 10px;display:flex;align-items:center;gap:6px;color:var(--ink)}
.muted{color:var(--sub);font-size:13px}
.grow{flex:1;min-width:0}
.row{display:flex;align-items:center;gap:8px}
hr{border:0;border-top:1px solid var(--line);margin:16px 0}

/* ── 카드·목록 ── */
.card{background:var(--card);border-radius:var(--r);padding:18px;margin-bottom:10px;box-shadow:var(--shadow)}
.card .h{display:block;font-size:17px}
.card.center{text-align:center}
.slot{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:var(--r);background:#fff;margin-bottom:8px;box-shadow:var(--shadow)}
.slot .tm{font-weight:800;font-size:17px;width:52px;color:var(--navy);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.folder{display:flex;gap:14px;align-items:center;padding:14px 16px;background:#fff;border-radius:var(--r);margin-bottom:8px;width:100%;text-align:left;box-shadow:var(--shadow);transition:transform .15s var(--ease)}
.folder:active,.slot:active{transform:scale(.985)}
.ficon{width:44px;height:44px;border-radius:13px;background:var(--fill);color:var(--navy);display:flex;align-items:center;justify-content:center;flex:0 0 44px}
.ficon.gray{background:var(--fill);color:var(--sub)}
.kv{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:15px}
.kv:last-child{border-bottom:0}
.kv span{color:var(--sub);white-space:nowrap}
.kv b{font-variant-numeric:tabular-nums}

/* ── 태그 ── */
.tag{display:inline-flex;align-items:center;font-size:11px;font-weight:700;border-radius:6px;padding:2px 7px;white-space:nowrap;vertical-align:middle;letter-spacing:0}
.t-main{background:var(--brand-soft);color:#B23A1E}
.t-ok{background:var(--ok-soft);color:var(--ok)}
.t-warn{background:var(--warn-soft);color:var(--warn)}
.t-blue{background:var(--blue-soft);color:var(--blue)}
.t-gray{background:var(--fill);color:var(--sub)}

/* ── 버튼 ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:12px;height:44px;padding:0 16px;font-weight:700;font-size:15px;background:var(--brand);color:var(--brand-ink);text-decoration:none;transition:transform .12s var(--ease),filter .2s;white-space:nowrap}
.btn:active{transform:scale(.97);filter:brightness(.95)}
.btn.sm{height:34px;padding:0 12px;font-size:13px;border-radius:10px}
.btn.ghost{background:var(--fill);color:var(--ink)}
.btn.ok{background:var(--ok)}
.btn.full{width:100%;height:52px;font-size:16px;margin-top:10px}
.btn.big{height:56px;font-size:17px;border-radius:14px}
.btn:disabled{opacity:.35;cursor:not-allowed}
.link{display:block;margin:22px auto 0;color:var(--sub);font-size:13px;text-decoration:underline;text-underline-offset:3px}
.x{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:12px;color:var(--sub);background:var(--fill)}
.seg{display:flex;background:var(--fill);border-radius:12px;padding:3px;flex:1}
.seg button{flex:1;height:38px;border-radius:9px;font-weight:700;font-size:14px;color:var(--sub);transition:background .2s,color .2s}
.seg button.on{background:#fff;color:var(--navy);box-shadow:0 1px 3px rgba(21,26,43,.1)}

/* ── 시간표 ── */
.strip{display:flex;gap:6px;overflow-x:auto;padding:2px 20px 10px;margin:0 -20px;scrollbar-width:none;scroll-snap-type:x proximity}
.strip::-webkit-scrollbar{display:none}
.day{flex:0 0 50px;background:#fff;border-radius:14px;padding:8px 0 10px;text-align:center;font-size:12px;color:var(--sub);position:relative;box-shadow:var(--shadow);scroll-snap-align:center}
.day b{display:block;font-size:18px;color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums}
.day.on{background:var(--navy);color:rgba(233,236,245,.7)}
.day.on b{color:#fff}
.day.past{opacity:.45}
.day i{position:absolute;bottom:4px;left:50%;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:var(--brand)}
.chips{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.chip{background:#fff;border-radius:10px;height:42px;font-size:14px;font-weight:600;color:var(--ink);box-shadow:var(--shadow);font-variant-numeric:tabular-nums;transition:transform .12s var(--ease)}
.chip:active{transform:scale(.95)}
.chip.pick{background:var(--fill);color:var(--faint);box-shadow:none}
.chip:disabled{cursor:not-allowed}

/* ── 달력 ── */
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;text-align:center;background:#fff;border-radius:var(--r);padding:12px 10px;box-shadow:var(--shadow)}
.cal .wd{font-size:12px;color:var(--faint);padding:2px 0 8px;font-weight:600}
.cal .wd:first-child{color:#C4513A}
.cd{aspect-ratio:1;border-radius:12px;font-size:15px;position:relative;font-weight:500;font-variant-numeric:tabular-nums}
.cd.today{color:var(--brand);font-weight:800}
.cd.sel{background:var(--navy);color:#fff}
.cd i{position:absolute;bottom:5px;left:50%;transform:translateX(-50%);width:5px;height:5px;border-radius:50%}
.cd i.dn{background:var(--ok)} .cd i.bk{background:var(--blue)} .cd i.op{background:#D49A1E}
.cd .cnt{position:absolute;top:2px;right:4px;font-size:10px;font-weight:800;color:var(--blue)}
.cd.sel .cnt{color:#fff}

/* ── 시그니처: 펀치 티켓 수강권 ── */
.ticket{--hole:var(--bg);position:relative;display:grid;grid-template-columns:repeat(4,1fr);margin:14px -4px 2px;background:var(--fill);border-radius:14px;overflow:hidden}
.card .ticket{--hole:#fff}
.ticket::before,.ticket::after{content:"";position:absolute;top:50%;width:16px;height:16px;border-radius:50%;background:var(--hole);transform:translateY(-50%);z-index:1}
.ticket::before{left:-8px} .ticket::after{right:-8px}
.stub{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 0 10px;color:var(--faint)}
.stub + .stub{background-image:linear-gradient(var(--line) 50%,transparent 0);background-size:1.5px 8px;background-repeat:repeat-y;background-position:left top}
.stub .no{font-size:18px;font-weight:800;color:var(--sub);line-height:1;font-variant-numeric:tabular-nums}
.stub .no small{font-size:11px;font-weight:600;margin-left:1px}
.stub .punch{width:18px;height:18px;border-radius:50%;border:1.5px dashed #C9CDD8}
.stub em{font-style:normal;font-size:11px;font-weight:600}
.stub.booked{color:var(--blue)} .stub.booked .no{color:var(--blue)}
.stub.booked .punch{border:1.5px solid var(--blue)}
.stub.done{color:var(--ok)} .stub.done .no{color:var(--ok)}
.stub.done .punch{border:0;background:var(--hole);box-shadow:inset 0 1px 2px rgba(21,26,43,.25)}
.rounds{display:none}

.lockbox{border-radius:var(--r);padding:22px;text-align:center;background:var(--fill);color:var(--sub)}
.lockbox .big{display:flex;justify-content:center;margin-bottom:8px;color:var(--navy)}
.lockbox > div:first-child{display:flex;align-items:center;justify-content:center;gap:6px}
.banner{display:flex;align-items:center;flex-wrap:wrap;gap:8px;border-radius:14px;padding:12px 14px;font-size:14px;margin:12px 0;font-weight:500}
.banner.ok{background:var(--ok-soft);color:#0E5E48}
.banner.lock{background:var(--warn-soft);color:#6E480C}
.sum{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.sum div{background:#fff;border-radius:14px;padding:14px 8px;text-align:center;box-shadow:var(--shadow)}
.sum b{display:block;font-size:20px;font-weight:800;color:var(--navy);font-variant-numeric:tabular-nums}
.sum span{font-size:12px;color:var(--sub)}

/* ── 레슨 폴더 ── */
.vid{width:100%;aspect-ratio:16/9;border-radius:14px;background:#141A2E;overflow:hidden;display:flex;align-items:center;justify-content:center;color:#9AA3BD;font-size:13px;text-align:center;flex-direction:column;gap:8px}
.vid video{width:100%;height:100%;object-fit:contain;background:#000}
.vid .play{width:50px;height:50px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:#fff}
.fb{border-radius:14px;padding:14px 16px;margin-top:10px}
.fb.good{background:var(--ok-soft)} .fb.good h4{color:var(--ok)}
.fb.fix{background:var(--brand-soft)} .fb.fix h4{color:#B23A1E}
.fb h4{font-size:13px;font-weight:700;margin-bottom:4px}
.fb p{white-space:pre-wrap;font-size:15px;line-height:1.6}

/* ── 입력 ── */
label.f{display:block;font-size:13px;font-weight:700;color:var(--sub);margin:18px 0 6px}
textarea,input[type=text],input[type=number]{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:13px 14px;background:#fff;font-size:16px;outline:none;transition:border-color .15s}
textarea::placeholder,input::placeholder{color:var(--faint)}
textarea:focus,input:focus{border-color:var(--navy)}
textarea{min-height:92px;resize:vertical;line-height:1.55}
.upload{display:flex;align-items:center;justify-content:center;gap:8px;border:1.5px dashed #C9CDD8;border-radius:14px;padding:16px;font-weight:700;color:var(--navy);background:#fff;cursor:pointer;font-size:15px}
.upload input{display:none}

/* ── 아래에서 올라오는 창 ── */
.overlay{position:fixed;inset:0;background:rgba(14,19,36,.45);z-index:20;display:flex;align-items:flex-end;justify-content:center;animation:fade .2s ease-out}
.sheet{background:var(--bg);width:100%;max-width:480px;max-height:92vh;overflow-y:auto;border-radius:24px 24px 0 0;padding:8px 20px calc(28px + var(--sab));animation:up .32s var(--ease)}
.sheet::before{content:"";display:block;width:36px;height:4px;border-radius:2px;background:#CDD1DC;margin:4px auto 12px}
.sheet .top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.sheet .top h2{margin:0;font-size:20px}
@keyframes up{from{transform:translateY(48px);opacity:.5}to{transform:none;opacity:1}}
@keyframes fade{from{opacity:0}to{opacity:1}}
.toast{pointer-events:none;position:fixed;left:50%;bottom:calc(88px + var(--sab));transform:translateX(-50%);background:var(--navy);color:#fff;padding:12px 18px;border-radius:14px;font-size:14px;font-weight:500;z-index:40;max-width:calc(100% - 40px);width:max-content;box-shadow:0 8px 24px rgba(14,19,36,.25);transition:opacity .3s}

/* ── 빈 화면·로딩 ── */
.empty{text-align:center;color:var(--sub);font-size:14px;padding:36px 16px;display:flex;flex-direction:column;align-items:center;gap:6px}
.empty b{color:var(--ink);font-size:15px}
.empty p{font-size:13px;max-width:260px}
.empty.sm{padding:14px 0;font-size:13px;display:block;color:var(--faint)}
.eic{width:56px;height:56px;border-radius:18px;background:var(--fill);color:var(--navy);display:flex;align-items:center;justify-content:center;margin:0 auto 6px}
.eic.big{width:64px;height:64px}
.skel{padding-top:16px}
.skel i{display:block;height:72px;border-radius:var(--r);margin-bottom:10px;background:linear-gradient(90deg,#E8EAF0 25%,#F2F3F7 50%,#E8EAF0 75%);background-size:200% 100%;animation:sk 1.2s infinite}
.skel i:first-child{height:28px;width:40%;border-radius:8px}
@keyframes sk{to{background-position:-200% 0}}
.spin{display:inline-block;width:18px;height:18px;border:2px solid #ddd;border-top-color:var(--brand);border-radius:50%;animation:sp .8s linear infinite;vertical-align:middle}
@keyframes sp{to{transform:rotate(360deg)}}
.err{color:#B4321B;font-size:13px;margin-top:6px}

/* ── 로그인·설치 (헤더 없이 쪽빛 화면) ── */
.login{min-height:76vh;display:flex;flex-direction:column;justify-content:center;gap:12px;text-align:center}
.login h2{margin:8px 0 0}
.wordmark{font-size:36px;font-weight:900;letter-spacing:-.04em;line-height:1.1;color:var(--navy)}
.wordmark span{color:var(--brand)}
.wordmark small{display:block;font-size:14px;font-weight:600;color:var(--sub);letter-spacing:0;margin-top:6px}
.kakao{background:#FEE500;color:#191919}
.install{padding:calc(56px + var(--sat)) 0 24px;text-align:center}
.install .lead{color:var(--sub);margin:12px 0 30px;font-size:15px}
.install .card{text-align:left}
.install .card .eic{background:var(--ok-soft);color:var(--ok)}
.steps{list-style:none;counter-reset:s;display:flex;flex-direction:column;gap:12px;margin:4px 0 6px}
.steps li{counter-increment:s;display:flex;gap:12px;align-items:flex-start;font-size:15px}
.steps li::before{content:counter(s);flex:0 0 24px;height:24px;border-radius:50%;background:var(--navy);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:1px}
.codebox{text-align:center!important}
.codebox b{display:block;font-size:26px;letter-spacing:4px;margin:2px 0;color:var(--navy);font-variant-numeric:tabular-nums}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}