:root{
  --text:#172033;
  --muted:#778196;
  --line:#e5e9f0;
  --bg:#f7f8fb;
  --card:#fff;
  --navy:#14213b;
  --red:#df565e;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",Arial,sans-serif}
a{color:inherit}
button{font:inherit}
body.detail-open{overflow:hidden}
.calendar-page{min-height:100vh;padding:28px 24px 64px}
.calendar-shell{width:min(1360px,100%);margin:0 auto}
.calendar-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 0 18px}
.month-switcher{display:flex;align-items:center;gap:12px}
.month-switcher h1{min-width:190px;margin:0;text-align:center;font-size:30px;letter-spacing:-.045em}
.month-switcher button,.today-btn{height:44px;border:1px solid var(--line);border-radius:11px;background:var(--card);color:#4d5870;font-weight:850;cursor:pointer}
.month-switcher button{width:44px;font-size:18px}
.today-btn{padding:0 16px;font-size:13px}
.month-switcher button:hover,.today-btn:hover{border-color:#cfd6e2;background:#fbfcfe}
.calendar-filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.calendar-filters button{border:1px solid var(--line);border-radius:999px;background:var(--card);padding:9px 14px;color:#687386;font-size:13px;font-weight:800;cursor:pointer}
.calendar-filters button.active{border-color:var(--navy);background:var(--navy);color:#fff}
.calendar-main{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:var(--card);box-shadow:0 10px 28px rgba(23,32,51,.045)}
.calendar-weekdays,.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}
.calendar-weekdays{border-bottom:1px solid var(--line);background:#fafbfc}
.calendar-weekdays span{padding:14px;text-align:center;color:#8a94a5;font-size:13px;font-weight:850}
.calendar-day{min-height:172px;padding:12px;border-right:1px solid #edf0f5;border-bottom:1px solid #edf0f5;background:#fff;transition:background .18s ease,box-shadow .18s ease}
.calendar-day:nth-child(7n){border-right:0}
.calendar-day.is-empty{background:#fbfcfe}
.calendar-day.has-event{cursor:pointer}
.calendar-day.has-event:hover{background:#fafbff}
.calendar-day.is-today{box-shadow:inset 0 0 0 2px #6f86dc}
.calendar-day.is-selected{position:relative;background:#f3f6ff;box-shadow:inset 0 0 0 2px var(--navy)}
.calendar-day.is-selected .day-number{background:var(--navy);color:#fff}
.day-number{width:31px;height:31px;display:grid;place-items:center;border-radius:9px;color:#4a556a;font-size:13px;font-weight:900}
.is-today .day-number{background:var(--navy);color:#fff}
.day-number.sun{color:#d45159}.day-number.sat{color:#4676d7}
.is-today .day-number.sun,.is-today .day-number.sat{color:#fff}
.day-events{display:flex;flex-direction:column;gap:7px;margin-top:7px}
.calendar-event{display:block;width:100%;padding:0;border:0;background:transparent;text-align:left;color:inherit;cursor:pointer}
.calendar-event.compact{padding:9px 10px;border-radius:9px;background:#f4f6fa}
.calendar-event.compact:hover{background:#eaf0f8}
.event-time{display:block;color:#7a859b;font-size:10px;font-weight:850}
.event-title{display:block;margin-top:3px;color:#273149;font-size:12px;font-weight:800;line-height:1.4;word-break:keep-all}
.event-meta{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-top:6px}
.event-meta em{font-style:normal;color:#707c91;font-size:10px}
.importance{display:inline-flex;gap:3px;align-items:center}.importance i,.importance b{width:5px;height:5px;border-radius:50%;display:block}.importance i{background:var(--red)}.importance b{background:#dce1ea}
.calendar-mobile-list{display:none}
.calendar-note{margin:15px 2px 0;color:#8992a3;font-size:12px;line-height:1.55}
.empty-calendar{padding:32px;text-align:center;color:#8d97aa;font-size:13px}

.calendar-detail-overlay{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(10,18,34,.42);opacity:0;transition:opacity .18s ease}
.calendar-detail-overlay.is-open{opacity:1}
.calendar-detail{width:min(680px,100%);max-height:min(78vh,720px);overflow:auto;border:1px solid rgba(255,255,255,.8);border-radius:22px;background:#fff;box-shadow:0 26px 80px rgba(9,18,36,.24);transform:translateY(8px) scale(.985);transition:transform .18s ease}
.calendar-detail-overlay.is-open .calendar-detail{transform:translateY(0) scale(1)}
.detail-handle{display:none}
.detail-head{position:sticky;top:0;z-index:2;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:26px 28px 20px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(10px)}
.detail-label{display:block;margin-bottom:6px;color:#8a94a6;font-size:10px;font-weight:900;letter-spacing:.12em}
.detail-head h2{margin:0;font-size:25px;letter-spacing:-.045em}
.detail-close{flex:0 0 auto;width:38px;height:38px;border:1px solid var(--line);border-radius:50%;background:#fff;color:#536077;font-size:25px;line-height:1;cursor:pointer}
.detail-list{padding:8px 28px 28px}
.detail-event{padding:22px 0;border-bottom:1px solid #edf0f5}
.detail-event:last-child{border-bottom:0}
.detail-event-top{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.detail-time{font-size:13px;font-weight:900;color:var(--navy)}
.detail-category{padding:4px 8px;border-radius:999px;background:#f0f3f8;color:#69758b;font-size:11px;font-weight:850}
.detail-event h3{margin:0;color:#202a40;font-size:20px;line-height:1.45;letter-spacing:-.03em;word-break:keep-all}
.detail-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:14px;color:#7d8798;font-size:12px;font-weight:700}
.detail-importance{display:inline-flex;align-items:center;gap:8px}

@media(max-width:1100px) and (min-width:721px){
  .calendar-page{padding-inline:16px}
  .calendar-day{min-height:148px;padding:9px}
  .event-title{font-size:11px}
  .calendar-event.compact{padding:8px}
}

@media(max-width:720px){
  .calendar-page{padding:18px 12px 44px}
  .calendar-shell{width:100%}
  .calendar-toolbar{padding-bottom:14px}
  .month-switcher{gap:7px}
  .month-switcher h1{min-width:142px;font-size:22px}
  .month-switcher button{width:38px;height:38px}
  .today-btn{height:38px;padding:0 11px;font-size:11px}
  .calendar-filters{overflow-x:auto;flex-wrap:nowrap;padding-bottom:3px;margin-bottom:14px;scrollbar-width:none}
  .calendar-filters::-webkit-scrollbar{display:none}
  .calendar-filters button{white-space:nowrap;padding:8px 12px;font-size:12px}
  .calendar-main{display:none}
  .calendar-mobile-list{display:block;border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;box-shadow:0 8px 24px rgba(23,32,51,.04)}
  .mobile-event-row{display:grid;grid-template-columns:84px 1fr;gap:12px;padding:16px 15px;border-bottom:1px solid #edf0f5;cursor:pointer}
  .mobile-event-row:last-child{border-bottom:0}
  .mobile-event-row.is-selected{background:#f3f6ff;box-shadow:inset 3px 0 0 var(--navy)}
  .mobile-date{padding-top:1px;color:#586278;font-size:12px;font-weight:900}
  .mobile-event-row .event-title{font-size:14px;line-height:1.45}
  .mobile-event-row .event-time{font-size:11px}
  .mobile-event-row .event-meta{justify-content:flex-start;gap:10px}
  .calendar-note{font-size:11px}

  .calendar-detail-overlay{align-items:flex-end;padding:0;background:rgba(10,18,34,.46)}
  .calendar-detail{width:100%;max-height:82vh;border:0;border-radius:22px 22px 0 0;transform:translateY(28px)}
  .calendar-detail-overlay.is-open .calendar-detail{transform:translateY(0)}
  .detail-handle{display:block;width:42px;height:4px;margin:9px auto 0;border-radius:999px;background:#d9dee7}
  .detail-head{padding:17px 18px 15px}
  .detail-head h2{font-size:21px}
  .detail-close{width:36px;height:36px;font-size:23px}
  .detail-list{padding:2px 18px 24px}
  .detail-event{padding:19px 0}
  .detail-event h3{font-size:17px}
  .detail-meta{align-items:flex-start;flex-direction:column;gap:8px;margin-top:12px}
}

.calendar-back{display:inline-flex;margin:18px 0 0 18px;padding:8px 11px;border:1px solid rgba(20,40,70,.15);border-radius:10px;color:#31506d;text-decoration:none;font:700 13px system-ui,-apple-system,"Segoe UI",sans-serif;background:#fff}