:root{--bg: #f5f6f8;--surface: #ffffff;--text: #1a1d21;--text-muted: #6b7280;--border: #e3e5e8;--accent: #2563eb;--danger: #dc2626;--success: #16a34a;color-scheme:light dark}@media (prefers-color-scheme: dark){:root{--bg: #16181d;--surface: #1f2229;--text: #e8eaed;--text-muted: #9aa0a6;--border: #2c2f36;--accent: #5b9bff;--danger: #f87171;--success: #4ade80}}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.app{display:flex;min-height:100vh}.app__body{flex:1;min-width:0;display:flex;flex-direction:column;min-height:100vh}.mobile-topbar,.nav-backdrop{display:none}.nav{width:200px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);padding:20px 12px;display:flex;flex-direction:column;gap:4px}.nav__brand{font-weight:700;padding:8px 10px 16px}.platform-switch{display:flex;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:3px;margin:0 10px 16px}.platform-switch a{flex:1;text-align:center;padding:6px 8px;border-radius:6px;font-size:13px;font-weight:600;color:var(--text-muted);text-decoration:none}.platform-switch a.active{background:var(--accent);color:#fff}.nav a{color:var(--text-muted);text-decoration:none;padding:10px 12px;border-radius:8px;font-size:14px}.nav a.active,.nav a:hover{background:var(--accent);color:#fff}.nav__user{margin-top:auto;padding-top:16px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:8px}.nav__username{font-size:13px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav__logout{background:none;border:none;color:var(--text-muted);font-size:13px;padding:4px 8px;cursor:pointer;text-decoration:underline}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.auth-form{display:flex;flex-direction:column;gap:12px;width:100%;max-width:340px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:28px}.auth-form h1{margin:0 0 4px;font-size:20px}.auth-form input{padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text)}.auth-form__hint{font-size:13px;color:var(--text-muted);text-align:center;margin:0}.main{flex:1;padding:24px 32px;max-width:1500px;width:100%}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 32px;border-top:1px solid var(--border);font-size:13px;color:var(--text-muted);flex-wrap:wrap}.site-footer a{color:var(--text-muted);text-decoration:underline}.site-footer a:hover{color:var(--text)}.page h1{margin:0 0 16px}.hint{color:var(--text-muted);font-size:14px;max-width:640px}.add-channel-form{display:flex;gap:8px;margin-bottom:20px}.add-channel-form input{flex:1;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text)}button{padding:10px 16px;border:1px solid var(--border);border-radius:8px;background:var(--accent);color:#fff;font-weight:500;cursor:pointer}button:disabled{opacity:.6;cursor:default}button.danger{background:var(--danger)}.channel-row button{background:var(--surface);color:var(--text);font-size:13px;padding:6px 10px}.error-text{color:var(--danger);font-size:14px}.alert-test{display:flex;align-items:center;gap:12px;margin-bottom:16px}.alert-test button{background:var(--surface);color:var(--text)}.channel-list{display:flex;flex-direction:column;gap:10px}.channel-row{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:12px 16px}.channel-row__avatar{width:40px;height:40px;border-radius:50%;object-fit:cover}.channel-row__info{flex:1}.channel-row__title{font-weight:600}.channel-row__username{font-weight:400;color:var(--text-muted)}.channel-row__meta{font-size:13px;color:var(--text-muted)}.channel-row__actions{display:flex;gap:8px}.star-toggle{background:none;border:none;cursor:pointer;font-size:16px;color:var(--text-muted);padding:0;line-height:1;vertical-align:middle}.star-toggle--active{color:#f5a623}.activity-list{display:flex;flex-direction:column;gap:10px;margin-top:12px}.activity-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.activity-row__title{width:220px;flex-shrink:0;font-weight:600;color:var(--text);text-decoration:none}.activity-row__title:hover{text-decoration:underline}.activity-heatmap{display:flex;gap:3px}.activity-cell{width:12px;height:12px;border-radius:3px;background:var(--border)}.activity-cell--1{background:color-mix(in srgb,var(--accent) 45%,var(--border))}.activity-cell--2{background:var(--accent)}.activity-row__gap{font-size:13px}.posting-times-grid{display:grid;grid-template-columns:60px repeat(4,1fr);gap:4px;max-width:480px;margin-top:12px}.posting-times-grid__corner{background:transparent}.posting-times-grid__col-label,.posting-times-grid__row-label{font-size:12px;color:var(--text-muted);display:flex;align-items:center;justify-content:center;padding:4px}.posting-times-grid__row-label{justify-content:flex-start}.posting-times-grid__cell{border-radius:6px;border:1px solid var(--border);min-height:32px;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--text-muted)}.feed-filter{display:flex;align-items:center;gap:10px;margin-bottom:16px}.feed-filter select,.feed-filter input[type=date],.feed-filter input[type=search]{padding:8px 12px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text)}.feed-search{flex:1 1 260px;min-width:180px}.feed-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}@media (min-width: 1280px){.feed-grid{grid-template-columns:repeat(3,1fr)}}.post-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:10px}.post-card__header{display:flex;align-items:center;gap:10px}.post-card__avatar{width:32px;height:32px;border-radius:50%;object-fit:cover}.post-card__channel{font-weight:600;color:var(--text);text-decoration:none}.post-card__date{font-size:12px;color:var(--text-muted)}.post-card__image{width:100%;max-height:260px;object-fit:cover;border-radius:8px}.expandable-text{font-size:14px}.expandable-text p{white-space:pre-wrap;margin:0}.expandable-text__clamped{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:5;overflow:hidden}.expandable-text__toggle{background:none;border:none;color:var(--accent);padding:4px 0;font-size:13px;font-weight:500}.ad-badge{margin-left:auto;background:var(--danger);color:#fff;font-size:11px;font-weight:600;padding:3px 8px;border-radius:10px;white-space:nowrap}.post-card__moderate{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:14px;padding:2px 4px}.post-card__moderate:hover{color:var(--danger)}.removed-badge{margin-left:auto;background:var(--text-muted);color:#fff;font-size:11px;font-weight:600;padding:3px 8px;border-radius:10px;white-space:nowrap}.post-card__unsupported{font-size:13px;color:var(--text-muted);font-style:italic;margin:0}.post-card__footer{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-muted)}.reactions{display:flex;gap:6px;flex-wrap:wrap}.reaction-chip{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:2px 8px;font-size:12px}.load-more{margin-top:16px}.period-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.period-tabs button{background:var(--surface);color:var(--text)}.period-tabs button.active{background:var(--accent);color:#fff}.export-link{margin-left:auto;align-self:center;padding:10px 16px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);text-decoration:none;font-size:14px}.rank-badge{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-muted);border-top:1px solid var(--border);padding-top:8px}.rank-number{font-weight:700;color:var(--accent)}.date-range{display:flex;gap:16px;margin-bottom:8px}.date-range label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted)}.date-range input{padding:6px 10px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text)}.rank-list{display:flex;flex-direction:column;gap:12px}.rank-row{display:flex;gap:16px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px}.topics-section{margin-top:32px;padding-top:24px;border-top:1px solid var(--border)}.topics-section h2{margin:0 0 6px;font-size:18px}.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;margin-top:16px}.topic-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px}.topic-card__phrase{font-weight:700;font-size:15px;text-transform:capitalize;display:flex;align-items:center;justify-content:space-between;gap:8px}.topic-card__badge{font-size:11px;font-weight:600;text-transform:none;color:var(--text-muted);background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:2px 8px;white-space:nowrap}.topic-card__badge--covered{color:#2e7d32;border-color:#2e7d32}.topic-card__meta{color:var(--text-muted);font-size:13px;margin:4px 0 10px}.topic-card__examples{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:13px}.topic-card__examples a{color:var(--accent);text-decoration:none}.topic-card__examples a:hover{text-decoration:underline}.topic-card__example-channel{color:var(--text-muted)}.topic-card__example-excerpt{color:var(--text-muted);font-size:12px;margin-top:2px}.topic-card__example-meta{color:var(--text-muted);font-size:12px;margin-top:4px}.topic-card__badges{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.topic-card__badge--rising{color:#c05e00;border-color:#c05e00;background:transparent}.topic-card__badge--falling{color:var(--text-muted)}.rank-row__thumb{position:relative;width:110px;height:110px;flex-shrink:0}.rank-row__thumb img{width:100%;height:100%;object-fit:cover;border-radius:8px}.rank-row__thumb-placeholder{width:100%;height:100%;border-radius:8px;background:var(--bg);border:1px solid var(--border)}.rank-row__number{position:absolute;top:6px;left:6px;background:#000000a6;color:#fff;font-size:12px;font-weight:700;padding:2px 8px;border-radius:10px}.rank-row__body{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px}.stat-tile-link{color:inherit;text-decoration:none;display:block}.stat-tile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.stat-tile{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:6px}.stat-tile__label{font-size:13px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stat-tile__value{font-size:26px;font-weight:600}.stat-tile__delta{font-size:13px;font-weight:500}.stat-tile__delta--success{color:var(--success)}.stat-tile__delta--danger{color:var(--danger)}.stat-tile__delta--muted{color:var(--text-muted)}.sparkline{position:relative;margin-top:4px}.sparkline__svg{width:100%;height:56px;display:block;cursor:crosshair}.sparkline--empty{height:56px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:12px}.sparkline-tooltip{position:absolute;transform:translate(-50%,-110%);background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:6px 10px;font-size:12px;display:flex;flex-direction:column;gap:2px;pointer-events:none;white-space:nowrap;box-shadow:0 2px 8px #00000026;z-index:10}.bar-chart{position:relative}.bar-chart__svg{width:100%;height:140px;display:block}.bar-chart--empty{height:140px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:13px}.channel-report{display:flex;flex-direction:column;gap:20px}.channel-report__header{display:flex;align-items:center;gap:14px}.channel-report__avatar{width:56px;height:56px;border-radius:50%;object-fit:cover}.channel-report__title{font-size:20px;font-weight:700}.channel-report__subtitle{color:var(--text-muted);font-size:14px}.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}.stat-row__item{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:12px 14px}.stat-row__label{font-size:12px;color:var(--text-muted);margin-bottom:4px}.stat-row__value{font-size:20px;font-weight:600}.compare-table-wrap{overflow-x:auto}.admin-user-links a{margin-right:8px}.compare-table{border-collapse:collapse;width:100%;font-size:14px}.compare-table th,.compare-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}.compare-table th{cursor:pointer;color:var(--text-muted);font-weight:600;-webkit-user-select:none;user-select:none}.compare-table th:hover{color:var(--text)}.compare-table td.numeric,.compare-table th.numeric{text-align:right}.compare-table__ad--medium{color:var(--accent)}.compare-table__ad--high{color:var(--danger);font-weight:600}.feed-filter,.date-range{flex-wrap:wrap}.nav__guest{display:flex;flex-direction:column;gap:4px}.settings-section{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:20px;max-width:520px}.settings-section h2{margin:0 0 12px;font-size:16px}.settings-form{display:flex;flex-direction:column;gap:12px}.settings-form label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--text-muted)}.settings-form input,.settings-form textarea{padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font:inherit;resize:vertical}.settings-banner-preview{display:block;width:100%;max-height:140px;object-fit:cover;border-radius:8px;margin-bottom:12px}.settings-avatar-row{display:flex;align-items:center;gap:16px;margin-top:12px}.settings-avatar-preview{width:64px;height:64px;border-radius:50%;object-fit:cover}.settings-avatar-preview--empty{background:var(--bg);border:1px solid var(--border)}.settings-upload-label{display:inline-block;padding:8px 14px;border:1px solid var(--border);border-radius:8px;cursor:pointer;font-size:13px;color:var(--text-muted)}.settings-upload-label:hover{color:var(--text)}.settings-share-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.settings-share-row code{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:4px 8px;font-size:13px}.settings-links-list,.settings-invites-list{list-style:none;padding:0;margin:0 0 12px;display:flex;flex-direction:column;gap:8px}.settings-links-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--border);font-size:14px}.settings-invites-list li code{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:2px 6px;font-size:13px}.settings-add-link-form{display:flex;gap:8px;flex-wrap:wrap}.settings-add-link-form input{padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);flex:1;min-width:140px}.public-profile{max-width:1000px}.public-profile__banner{width:100%;max-height:220px;object-fit:cover;border-radius:10px;margin-bottom:-40px}.public-profile__header{display:flex;align-items:flex-end;gap:20px;padding:24px 32px 0}.public-profile__avatar{width:96px;height:96px;border-radius:50%;object-fit:cover;border:3px solid var(--bg);flex-shrink:0}.public-profile__avatar--empty{background:var(--surface);border:3px solid var(--bg)}.public-profile__header h1{margin:0}.public-profile__bio{color:var(--text-muted);max-width:600px}.public-profile__links{display:flex;gap:14px;flex-wrap:wrap;margin-top:4px}.public-profile__website,.public-profile__links a{color:var(--accent);text-decoration:none}.public-profile__links a:hover{text-decoration:underline}.platform-tag{display:inline-block;font-size:10px;font-weight:700;padding:1px 5px;border-radius:4px;background:var(--border);color:var(--text-muted);vertical-align:middle}.public-profile__channels{display:flex;flex-direction:column;gap:8px}.leaderboard{display:flex;flex-direction:column;gap:4px;max-width:600px}.leaderboard-row{display:flex;align-items:center;gap:12px;padding:10px 14px;border:1px solid var(--border);border-radius:10px;text-decoration:none;color:var(--text)}.leaderboard-row:hover{background:var(--surface)}.leaderboard-row__rank{color:var(--text-muted);font-weight:600;width:28px}.leaderboard-row__avatar{width:32px;height:32px;border-radius:50%;object-fit:cover}.leaderboard-row__avatar--empty{background:var(--bg);border:1px solid var(--border)}.leaderboard-row__name{flex:1;font-weight:600}.leaderboard-row__stats{color:var(--text-muted);font-size:13px}.leaderboard-row--top{border-color:var(--accent)}.hero{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--border)}.hero h1{font-size:32px;margin:0 0 8px}.hero__subtitle{color:var(--text-muted);font-size:16px;max-width:640px;margin:0 0 20px}.hero__cta{display:flex;gap:12px;align-items:center;margin-bottom:28px}.hero__cta a{padding:10px 18px;border-radius:8px;text-decoration:none;font-weight:600;font-size:14px;color:var(--text);border:1px solid var(--border)}.hero__cta-primary{background:var(--accent);color:#fff!important;border:none!important}.hero__features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.hero__feature{display:flex;gap:12px}.hero__feature-icon{font-size:24px;line-height:1}.hero__feature-title{font-weight:600;margin-bottom:2px}.hero__feature-text{color:var(--text-muted);font-size:13px}@media (max-width: 768px){.mobile-topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:80}.mobile-topbar__brand{font-weight:700}.mobile-topbar__toggle{background:var(--bg);color:var(--text);border:1px solid var(--border);padding:6px 12px;font-size:13px}.app{flex-direction:column}.nav{position:fixed;top:0;left:0;bottom:0;width:260px;max-width:80vw;transform:translate(-100%);transition:transform .2s ease;z-index:100;box-shadow:2px 0 16px #00000040;overflow-y:auto}.nav--open{transform:translate(0)}.nav-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:90}.main{padding:16px}.site-footer{flex-direction:column;align-items:flex-start;padding:16px;text-align:left}.channel-row{flex-wrap:wrap}.channel-row__actions{width:100%;justify-content:flex-end}.channel-report__header{flex-wrap:wrap}.rank-row__thumb{width:72px;height:72px}.activity-row__title{width:100%}.activity-heatmap{max-width:100%;overflow-x:auto;padding-bottom:4px}.posting-times-grid{max-width:100%}}