:root{--paper:#f7f7f4;--surface:#fff;--ink:#1f2430;--muted:#6d7280;--line:#e8e8e3;--primary:#2659d9;--primary-soft:#eaf0ff;--accent:#ffb126;font-family:Arial,Apple SD Gothic Neo,Noto Sans KR,sans-serif}*{box-sizing:border-box}html{background:var(--paper)}body{color:var(--ink);background:var(--paper);margin:0}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.shell{max-width:680px;min-height:100dvh;margin:0 auto;padding:22px 18px 94px}.topline,.section-head,.media-row,.bottom-nav,.player-heading,.player-controls{align-items:center;display:flex}.topline{justify-content:space-between;gap:12px}.brand{letter-spacing:-.6px;font-size:21px;font-weight:800}.avatar{color:#2146a4;background:#e4ebff;border:0;border-radius:50%;width:34px;height:34px;font-weight:800}.search{border:1px solid var(--line);background:var(--surface);outline-color:var(--primary);border-radius:14px;width:100%;margin:20px 0;padding:13px 15px}.section{margin:28px 0}.section-head{justify-content:space-between;margin-bottom:12px}.section-head h2{margin:0;font-size:17px}.link-button{color:var(--primary);background:0 0;border:0;font-size:14px}.continue-card{color:#fff;background:linear-gradient(125deg,#1e3f92,#5c86ef);border-radius:16px;padding:15px;display:block;box-shadow:0 8px 25px #1e3f9230}.eyebrow{opacity:.82;margin:0 0 7px;font-size:12px}.continue-card h3{margin:0;font-size:18px}.continue-card p{opacity:.9;margin:6px 0 12px;font-size:14px}.progress-line{background:#fff5;border-radius:99px;height:5px;overflow:hidden}.progress-line>span{border-radius:inherit;background:#fff;height:100%;display:block}.continue-card small{margin-top:8px;display:block}.filters{gap:8px;padding-bottom:2px;display:flex;overflow-x:auto}.filter{white-space:nowrap;border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:999px;padding:8px 12px}.filter.active{border-color:var(--primary);background:var(--primary);color:#fff}.media-list{border:1px solid var(--line);background:var(--surface);border-radius:16px;overflow:hidden}.media-row{border-bottom:1px solid var(--line);gap:13px;min-height:88px;padding:12px}.media-row:last-child{border-bottom:0}.thumb,.fallback-thumb{object-fit:cover;border-radius:10px;flex:none;width:58px;height:64px}.fallback-thumb{color:#264fa9;text-align:center;background:#e6edff;place-items:center;padding:6px;font-size:13px;font-weight:800;line-height:1.2;display:grid}.media-copy{flex:1;min-width:0}.media-copy h3{text-overflow:ellipsis;white-space:nowrap;margin:0 0 6px;font-size:16px;overflow:hidden}.media-copy p{color:var(--muted);margin:0;font-size:13px}.chevron{color:var(--muted);font-size:24px}.bottom-nav{z-index:20;border-top:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffffff2;justify-content:center;gap:min(16vw,96px);padding:12px 14px 18px;position:fixed;bottom:0;left:0;right:0}.bottom-nav a{color:var(--muted);text-align:center;font-size:13px}.bottom-nav a.active{color:var(--primary);font-weight:800}.page-title{margin:4px 0 18px;font-size:25px}.notice{color:#78520a;background:#fff4db;border-radius:12px;padding:12px;font-size:14px}.auth-card{border:1px solid var(--line);background:var(--surface);border-radius:20px;max-width:420px;margin:15vh auto 0;padding:24px}.auth-card h1{margin-top:0}.field-label{margin:17px 0 7px;font-size:14px;font-weight:700;display:block}.field{border:1px solid var(--line);border-radius:11px;width:100%;padding:13px}.primary-button{background:var(--primary);color:#fff;border:0;border-radius:11px;width:100%;margin-top:14px;padding:13px;font-weight:800}.secondary-button{border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:10px;padding:10px 12px}.account-card{border:1px solid var(--line);background:var(--surface);border-radius:16px;gap:12px;padding:20px;display:grid}.account-card strong{overflow-wrap:anywhere;font-size:17px}.account-card p{color:var(--muted);margin:0}.account-card .eyebrow{margin:0}.admin-link{text-align:center;margin:4px 0 0;display:block}.admin-shell{max-width:680px}.admin-intro,.form-hint{color:var(--muted);font-size:14px;line-height:1.5}.family-form{border:1px solid var(--line);background:var(--surface);border-radius:16px;padding:18px}.family-form .field-label{margin-top:0}.family-form-row{gap:8px;display:flex}.family-form-row .primary-button{flex:none;width:auto;margin:0;padding-inline:18px}.family-form .notice{margin:12px 0 0}.member-list{border:1px solid var(--line);background:var(--surface);border-radius:14px;overflow:hidden}.member-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:14px;padding:14px;display:flex}.member-row:last-child{border-bottom:0}.member-row strong,.member-row small{overflow-wrap:anywhere;display:block}.member-row small{color:var(--muted);margin-top:4px;font-size:12px}.role-badge{color:var(--muted);background:#eef1f5;border-radius:999px;flex:none;padding:5px 8px;font-size:12px;font-weight:800}.role-badge.admin{color:#2146a4;background:#e6edff}.error{color:#bf3131;margin:12px 0 0;font-size:14px}.player-card{color:#fff;background:#101217;border-radius:16px;overflow:hidden;box-shadow:0 12px 34px #11182724}.player-heading{justify-content:space-between;padding:12px 13px;font-size:14px}.player-heading strong{text-overflow:ellipsis;white-space:nowrap;padding-right:8px;overflow:hidden}.icon-button{width:36px;height:36px;color:inherit;background:#ffffff1c;border:0;border-radius:50%;place-items:center;display:grid}.video-wrap{aspect-ratio:16/9;background:#000;position:relative}.video-wrap video{object-fit:contain;width:100%;height:100%}.seek-zones{grid-template-columns:1fr 1fr;display:grid;position:absolute;inset:0}.seek-zone{color:#0000;background:0 0;border:0}.seek-zone:focus-visible{outline-offset:-5px;outline:2px solid #fff}.player-controls{gap:8px;padding:11px 12px 14px}.player-controls .play{color:#12151c;background:#fff;border:0;border-radius:9px;width:38px;height:36px}.timeline{accent-color:#fff;flex:1}.time{white-space:nowrap;font-size:12px}.control-menu{color:#fff;background:#ffffff1a;border:0;border-radius:8px;padding:8px}.watch-shell{padding-top:16px}.watch-topline{color:var(--muted);justify-content:space-between;align-items:center;margin-bottom:12px;font-size:13px;display:flex}.watch-layout{gap:18px;display:grid}.watch-detail{min-width:0}.watch-copy{margin:18px 2px}.watch-copy h1{margin:0 0 6px;font-size:22px}.watch-copy p{color:var(--muted);margin:0}.watch-navigation{grid-template-columns:1fr 1fr;gap:9px;margin:18px 0;display:grid}.video-nav-button{border:1px solid var(--line);min-width:0;color:var(--ink);border-radius:12px;flex-direction:column;gap:4px;padding:12px;display:flex}.video-nav-button 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minmax(270px,340px);align-items:start;gap:24px}.playlist-mobile{display:none}.playlist-tablet{display:block;position:sticky;top:20px}.playlist-tablet ol{max-height:calc(100dvh - 132px)}}