:root{
    --bg:#160e2b; --panel:#1e1440; --panel-2:#251a4d; --line:#33265a;
    --ink:#efe9ff; --sub:#b3a4e0; --muted:#8b7bc0; --accent:#ffb27a; --accent-ink:#2a1704; --focus:#8b6bff;
    --good:#9be6c0; --badge-bg:#2a1f4c;
  }
  *{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
  html,body{margin:0}
  body{
    background:radial-gradient(900px 500px at 50% -10%, #2a1a5c 0%, transparent 60%), var(--bg);
    color:var(--ink); font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
    min-height:100dvh; display:flex; justify-content:center; -webkit-font-smoothing:antialiased;
  }
  .phone{
    width:100%; max-width:430px; min-height:100dvh; position:relative;
    display:flex; flex-direction:column; padding-bottom:86px;
    background:linear-gradient(180deg, rgba(30,20,64,.35), rgba(22,14,43,0) 240px);
  }
  /* header */
  .appbar{display:flex;align-items:center;justify-content:space-between;padding:18px 20px 8px}
  .wordmark{font-family:"Space Grotesk";font-weight:700;font-size:24px;letter-spacing:-.02em;display:flex;align-items:center;gap:9px}
  .wordmark .p{color:var(--accent)}
  .gear{background:#1e1440;border:1px solid var(--line);color:var(--sub);width:42px;height:42px;border-radius:12px;font-size:18px;cursor:pointer}
  .gear:hover{color:var(--ink);border-color:var(--focus)}

  main{flex:1;padding:6px 20px 20px}
  .screen{display:none;animation:fade .25s ease}
  .screen.on{display:block}
  @keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

  /* countdown hero */
  .hero{text-align:center;padding:14px 0 6px}
  .exampill{display:inline-block;background:var(--accent);color:var(--accent-ink);font-family:"Space Grotesk";font-weight:700;
    font-size:15px;letter-spacing:.02em;padding:7px 16px;border-radius:999px}
  .eyebrow{color:var(--sub);font-size:13px;letter-spacing:.34em;margin:20px 0 2px;font-weight:600}
  .bignum{font-family:"Space Grotesk";font-weight:700;font-size:118px;line-height:.92;letter-spacing:-.03em}
  .bigunit{color:var(--accent);font-family:"Space Grotesk";font-weight:600;font-size:26px;margin-top:2px}
  .examnote{color:var(--muted);font-size:12px;margin-top:8px;letter-spacing:.01em}

  .card2{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--line);border-radius:20px;padding:18px;margin-top:16px}
  .card2 h3{margin:0 0 14px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600}
  .cardhead{display:flex;align-items:center;justify-content:space-between}
  .cardhead h3{margin:0 0 14px}
  .editbtn{background:none;border:1px solid var(--line);color:var(--sub);font-family:inherit;font-size:12px;font-weight:600;padding:5px 11px;border-radius:9px;cursor:pointer;margin-bottom:14px}
  .editbtn:hover{color:var(--ink);border-color:var(--focus)}
  .osym-link{display:inline-flex;align-items:center;gap:6px;margin-top:8px;color:var(--sub);font-size:12.5px;text-decoration:none}
  .osym-link:hover{color:var(--accent)}
  .synchint{color:var(--muted);font-size:12.5px;line-height:1.5}
  #syncCodeShow{font-family:"Space Grotesk",monospace;letter-spacing:.02em}

  .todayrow{display:flex;gap:12px}
  .stat{flex:1;background:#150d2c;border:1px solid var(--line);border-radius:16px;padding:14px 12px;text-align:center}
  .stat .v{font-family:"Space Grotesk";font-weight:700;font-size:34px;line-height:1}
  .stat .l{color:var(--muted);font-size:12px;margin-top:6px}
  .streak .v{color:var(--accent)}

  /* quick add */
  .chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
  .chip{background:#150d2c;border:1px solid var(--line);color:var(--ink);border-radius:11px;padding:11px 14px;font-size:15px;font-weight:600;cursor:pointer;font-family:inherit}
  .chip:hover{border-color:var(--focus)}
  .chip:active{transform:translateY(1px)}
  .manual{display:flex;gap:9px;align-items:center}
  .manual input{flex:1;background:#150d2c;border:1px solid var(--line);color:var(--ink);padding:12px;border-radius:12px;font-size:15px;font-family:inherit;outline:none}
  .manual input:focus{border-color:var(--focus);box-shadow:0 0 0 3px #8b6bff33}

  /* timer */
  .timer{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:4px}
  .clock{font-family:"Space Grotesk";font-weight:700;font-size:40px;letter-spacing:.01em}
  .clock.run{color:var(--accent)}
  .tbtn{border:none;cursor:pointer;font-family:inherit;font-weight:700;font-size:15px;padding:14px 22px;border-radius:14px}
  .tbtn.start{background:linear-gradient(180deg,#ffc08e,#ff9d5e);color:var(--accent-ink)}
  .tbtn.stop{background:#3a2140;color:#ffd0c0;border:1px solid #5a2f4a}
  .tbtn.full{width:100%; margin-top:10px;}
  .tbtn.secondary{background:#3a2140;color:var(--ink); border:1px solid var(--line);}

  /* chart */
  .bars{display:flex;align-items:flex-end;gap:9px;height:150px;padding-top:6px}
  .bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;height:100%;justify-content:flex-end}
  .bar .col{width:100%;background:linear-gradient(180deg,#8b6bff,#5b3ec8);border-radius:8px 8px 4px 4px;min-height:4px;transition:height .3s}
  .bar.today .col{background:linear-gradient(180deg,#ffc08e,#ff7e5e)}
  .bar .d{font-size:11px;color:var(--muted)}
  .bar .n{font-size:11px;color:var(--sub);font-weight:600}
  .summary{display:flex;gap:12px;margin-top:14px}
  .summary .box{flex:1;text-align:center;background:#150d2c;border:1px solid var(--line);border-radius:14px;padding:12px}
  .summary .v{font-family:"Space Grotesk";font-weight:700;font-size:26px}
  .summary .l{color:var(--muted);font-size:11px;margin-top:4px}

  /* badges */
  .badges-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:10px;margin-top:10px;}
  .badge-item{background:#150d2c;border:1px solid var(--line);border-radius:12px;padding:12px 6px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;}
  .badge-item.locked{opacity:0.5; filter:grayscale(100%);}
  .badge-icon{font-size:24px;}
  .badge-name{font-size:10px;color:var(--sub);font-weight:600;}

  /* room */
  .room-header{text-align:center; margin-bottom: 20px;}
  .room-name{font-family:"Space Grotesk";font-weight:700;font-size:28px;color:var(--ink);}
  .room-meta{color:var(--muted);font-size:13px;margin-top:4px;}
  .leaderboard{display:flex;flex-direction:column;gap:8px;}
  .lb-row{display:flex;align-items:center;background:#150d2c;border:1px solid var(--line);border-radius:12px;padding:12px;gap:12px;}
  .lb-row.me{border-color:var(--focus); background:rgba(139, 107, 255, 0.1);}
  .lb-rank{font-family:"Space Grotesk";font-weight:700;font-size:18px;color:var(--muted);width:24px;text-align:center;}
  .lb-row.me .lb-rank{color:var(--focus);}
  .lb-nick{flex:1;font-weight:600;font-size:15px;}
  .lb-score{font-family:"Space Grotesk";font-weight:700;color:var(--accent);font-size:18px;}
  .lb-streak{font-size:12px;color:var(--muted); display:flex; align-items:center; gap:4px;}
  .room-actions{display:flex;gap:10px;margin-top:16px;}
  .copy-link{flex:1; background:#1e1440; border:1px dashed var(--sub); color:var(--ink); padding:10px; border-radius:10px; text-align:center; font-size:13px; cursor:pointer;}

  /* login modal */
  .login-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.85);display:flex;align-items:center;justify-content:center;z-index:9999;opacity:0;pointer-events:none;transition:opacity .3s}
  .login-modal.on{opacity:1;pointer-events:all}
  .login-box{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--line);border-radius:20px;padding:40px 30px;text-align:center;max-width:360px;width:90%}
  .login-box h1{font-family:"Space Grotesk";font-size:28px;margin:0 0 12px;color:var(--ink)}
  .login-box p{color:var(--sub);font-size:14px;margin:0 0 28px;line-height:1.5}
  .login-btn{display:flex;align-items:center;justify-content:center;gap:10px;background:linear-gradient(180deg,#ffc08e,#ff9d5e);color:var(--accent-ink);border:none;padding:14px 24px;border-radius:12px;font-weight:700;font-size:15px;cursor:pointer;width:100%;margin-bottom:12px;font-family:inherit}
  .login-btn:hover{opacity:.9}
  .login-btn:active{transform:translateY(1px)}
  .login-btn:disabled{opacity:.5;cursor:default}
  .login-btn .gicon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:#fff;color:#4285F4;font-family:"Space Grotesk";font-weight:700;font-size:14px}
  .login-btn.ghost{background:none;border:1px solid var(--line);color:var(--sub)}
  .login-btn.ghost:hover{color:var(--ink);border-color:var(--focus);opacity:1}
  .login-status{color:var(--muted);font-size:12px;margin-top:16px;min-height:16px}
  .login-sep{color:var(--muted);font-size:11px;letter-spacing:.1em;margin:16px 0 12px;text-transform:uppercase}
  .login-profiles{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}
  .login-profiles:empty{display:none}
  .profile-chip{display:flex;align-items:center;justify-content:space-between;gap:8px;background:#150d2c;border:1px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer;font-family:inherit}
  .profile-chip:hover{border-color:var(--focus)}
  .profile-chip .pname{color:var(--ink);font-weight:600;font-size:15px;display:flex;align-items:center;gap:8px}
  .profile-chip .pdel{background:none;border:none;color:var(--muted);font-size:16px;cursor:pointer;padding:0 4px;line-height:1}
  .profile-chip .pdel:hover{color:#ffb3b3}
  .login-code{display:flex;gap:8px;align-items:center;margin-top:10px}
  .login-code input{flex:1;background:#150d2c;border:1px solid var(--line);color:var(--ink);padding:12px 13px;border-radius:12px;font-size:14px;font-family:inherit;outline:none}
  .login-code input:focus{border-color:var(--focus);box-shadow:0 0 0 3px #8b6bff33}
  .login-btn.small{width:auto;margin-bottom:0;padding:12px 16px;white-space:nowrap;font-size:14px}
  .login-link{background:none;border:none;color:var(--muted);font-size:13px;cursor:pointer;font-family:inherit;text-decoration:underline;padding:4px}
  .login-link:hover{color:var(--sub)}

  /* share tab */
  .cwrap{border-radius:22px;overflow:hidden;box-shadow:0 24px 60px -26px rgba(0,0,0,.7);line-height:0;margin:2px auto 0;width:fit-content}
  canvas#card{width:min(78vw,300px);height:auto;display:block}
  .themes{display:flex;gap:9px;justify-content:center;margin:16px 0 6px}
  .swatch{width:44px;height:44px;border-radius:12px;border:2px solid transparent;cursor:pointer;padding:0}
  .swatch[aria-pressed=true]{border-color:var(--ink)}
  .swatch:focus-visible{box-shadow:0 0 0 3px #8b6bff55;outline:none}
  .dl{display:block;width:100%;margin-top:14px;border:none;cursor:pointer;font-family:inherit;font-weight:700;font-size:16px;padding:15px;border-radius:15px;background:linear-gradient(180deg,#ffc08e,#ff9d5e);color:var(--accent-ink)}
  .savedmsg{color:var(--good);font-size:13px;text-align:center;min-height:18px;margin-top:8px;font-weight:500}

  /* bottom nav */
  nav.tabs{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:center;background:linear-gradient(180deg, rgba(22,14,43,0), #160e2b 40%);pointer-events:none; z-index:10;}
  .tabsinner{width:100%;max-width:430px;display:flex;background:#1a1138;border-top:1px solid var(--line);pointer-events:auto}
  .tab{flex:1;background:none;border:none;color:var(--muted);font-family:inherit;font-size:11px;padding:11px 0 14px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:5px}
  .tab .ic{font-size:20px;line-height:1}
  .tab.on{color:var(--accent)}

  /* modals / sheets */
  .sheet{position:fixed;inset:0;background:rgba(10,6,22,.6);display:none;align-items:flex-end;justify-content:center;z-index:20}
  .sheet.on{display:flex}
  .sheetcard{width:100%;max-width:430px;background:var(--panel);border-top-left-radius:24px;border-top-right-radius:24px;border-top:1px solid var(--line);padding:20px 20px 28px; animation:fade .25s ease}
  .sheetcard h3{margin:2px 0 16px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
  .fld{margin-bottom:14px}
  .fld label{display:block;font-size:13px;color:var(--sub);margin:0 0 7px 2px}
  .fld input,.fld select{width:100%;background:#140d2c;border:1px solid var(--line);color:var(--ink);padding:12px 13px;border-radius:12px;font-size:15px;font-family:inherit;outline:none}
  .fld input:focus,.fld select:focus{border-color:var(--focus);box-shadow:0 0 0 3px #8b6bff33}
  .fld input[type=date]{color-scheme:dark}
  .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .sheetclose{width:100%;margin-top:6px;border:none;cursor:pointer;font-family:inherit;font-weight:700;font-size:15px;padding:14px;border-radius:14px;background:linear-gradient(180deg,#ffc08e,#ff9d5e);color:var(--accent-ink)}
  .reset{width:100%;margin-top:10px;background:none;border:1px solid var(--line);color:var(--muted);border-radius:12px;padding:11px;font-family:inherit;font-size:13px;cursor:pointer}
  .reset:hover{color:#ffb3b3;border-color:#5a2f4a}
  
  /* toast */
  .toast{position:fixed;top:20px;left:50%;transform:translateX(-50%);background:var(--focus);color:#fff;padding:12px 24px;border-radius:99px;font-size:14px;font-weight:600;box-shadow:0 10px 30px rgba(0,0,0,0.5);opacity:0;pointer-events:none;transition:opacity 0.3s;z-index:100;}
  .toast.show{opacity:1;}

  /* Print Styles */
  @media print {
    nav.tabs, .appbar, .sheet, .toast, .room-actions, .tbtn, .chips, .manual { display: none !important; }
    body { background: #fff; color: #000; }
    .card2, .stat, .box { background: #fff !important; border-color: #ccc; color: #000; }
    .muted, .sub, .ink { color: #000 !important; }
  }