:root{--blue:#1687f8;--ink:#244765;--muted:#7b96ad;--line:#dfedf8;--bg:#eef8ff;--shadow:0 9px 26px rgba(45,112,168,.08)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}button,input,textarea,select{font:inherit}button{cursor:pointer}
.app-header{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:11px;padding:calc(12px + env(safe-area-inset-top)) 17px 12px;background:rgba(248,252,255,.96);border-bottom:1px solid #cce4f5;backdrop-filter:blur(14px)}.brand-icon{display:grid;place-items:center;width:43px;height:43px;border-radius:15px;background:linear-gradient(145deg,#d8edff,#f6fbff)}.brand-icon img{width:37px;height:37px;object-fit:contain}.brand-copy{min-width:0;flex:1}.brand-copy h1{margin:0;color:#15528e;font-size:17px}.brand-copy p{margin:3px 0 0;color:#83a0b8;font-size:10px}.local-pill{padding:6px 9px;border:1px solid #d8ebfa;border-radius:99px;background:#f5fbff;color:#5483a9;font-size:10px;white-space:nowrap}
main{max-width:760px;margin:0 auto;padding:15px 14px 22px}.page{display:none}.page.active{display:block}.welcome-card{position:relative;display:flex;align-items:center;overflow:hidden;min-height:174px;padding:21px 19px;border-radius:21px;background:linear-gradient(115deg,#dff1ff,#f5fbff 58%,#e8f5ff);box-shadow:var(--shadow)}.welcome-card h2{margin:0;color:#15528e;font-size:22px;line-height:1.45}.welcome-card p:not(.eyebrow){max-width:245px;margin:9px 0 0;color:#6f8fa9;font-size:11px;line-height:1.7}
.section-heading,.page-title{margin:23px 2px 12px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.section-heading h2,.page-title h2{margin:0;color:#1a5489;font-size:19px}.section-heading p,.page-title p:not(.eyebrow){margin:5px 0 0;color:var(--muted);font-size:11px;line-height:1.6}.page-title{margin-top:9px;margin-bottom:18px}.page-title h2{font-size:23px}
.summary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.summary-card{min-height:104px;padding:14px 15px;border:1px solid #e0edf7;border-radius:15px;background:white;box-shadow:var(--shadow)}.summary-card span{display:block;color:#7793aa;font-size:11px}.summary-card strong{display:block;margin-top:8px;color:#155b9e;font-size:23px;font-variant-numeric:tabular-nums}.summary-card small{display:block;margin-top:4px;color:#9bb0c2;font-size:9px}
.panel{margin-top:13px;padding:15px;border:1px solid var(--line);border-radius:16px;background:white;box-shadow:var(--shadow)}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.panel-head h3{margin:0;color:#225b8b;font-size:14px}.panel-head p{margin:4px 0 0;color:#91a7b9;font-size:10px}.soft-tag{padding:5px 8px;border-radius:99px;background:#f0f8ff;color:#6f9cc0;font-size:9px;white-space:nowrap}
.recent-list{margin-top:10px}.recent-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 0;border-top:1px solid #edf4f9}.recent-row:first-child{border-top:0}.recent-row strong{display:block;max-width:220px;overflow:hidden;color:#3d6686;font-size:12px;text-overflow:ellipsis;white-space:nowrap}.recent-row small{display:block;margin-top:4px;color:#98adbf;font-size:9px}.recent-count{color:#1766aa;font-size:13px;font-weight:800;white-space:nowrap}.notice-card{margin:13px 2px;padding:12px;border:1px solid #dceefa;border-radius:13px;background:#f5fbff;color:#6d8ba5;font-size:10px;line-height:1.7}
.text-button{padding:7px 0 7px 9px;border:0;background:transparent;color:#1680e4;font-size:11px;font-weight:700}.toolbar{display:flex;gap:8px;margin-bottom:12px}input,textarea,select{width:100%;border:1px solid #dceaf5;border-radius:11px;outline:none;background:#fbfdff;color:#315a79;font-size:12px}input,select{min-height:43px;padding:0 12px}textarea{min-height:92px;padding:12px;resize:vertical;line-height:1.6}input:focus,textarea:focus,select:focus{border-color:#79b8ee;box-shadow:0 0 0 3px rgba(22,135,248,.08)}.primary-button,.outline-button{min-height:40px;padding:0 14px;border-radius:10px;font-size:11px;font-weight:700;white-space:nowrap}.primary-button{border:1px solid var(--blue);background:linear-gradient(135deg,#1687f8,#4aa4f5);color:white;box-shadow:0 5px 13px rgba(22,135,248,.16)}.primary-button:disabled{opacity:.5}.outline-button{border:1px solid #bcdcf3;background:#f7fbff;color:#3677aa}.full-button{width:100%;margin-top:10px}
.video-list{display:grid;gap:10px}.video-card{padding:14px;border:1px solid var(--line);border-radius:15px;background:white;box-shadow:var(--shadow)}.video-card-top{display:flex;justify-content:space-between;gap:10px}.video-title{overflow:hidden;color:#315e81;font-size:13px;font-weight:700;line-height:1.5}.video-bv{margin-top:4px;color:#9aafc1;font-size:10px}.video-current{flex-shrink:0;color:#145d9c;font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;text-align:right}.video-current small{display:block;margin-top:3px;color:#91a7b9;font-size:9px;font-weight:400}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-top:12px}.metric{padding:8px;border-radius:9px;background:#f5faff}.metric span{display:block;color:#91a7ba;font-size:9px}.metric strong{display:block;margin-top:5px;color:#337db5;font-size:11px;font-variant-numeric:tabular-nums}.video-footer{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:10px;color:#9aaebe;font-size:9px}.video-actions{display:flex;gap:12px}.video-actions button{padding:3px 0;border:0;background:transparent;color:#4388bc;font-size:10px}.video-actions .danger-link{color:#c16c78}.empty-state{padding:22px 10px;color:#98adbf;font-size:11px;line-height:1.7;text-align:center}
.segmented{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:4px;border-radius:12px;background:#e5f2fc}.segmented button{min-height:36px;border:0;border-radius:9px;background:transparent;color:#6e91ad;font-size:11px}.segmented button.active{background:white;color:#176bb7;font-weight:800;box-shadow:0 2px 8px rgba(50,110,160,.09)}.source-panel{display:none;margin-top:15px;padding:14px;border:1px solid var(--line);border-radius:15px;background:white;box-shadow:var(--shadow)}.source-panel.active{display:block}.source-panel label{display:block;margin-bottom:8px;color:#456f91;font-size:11px;font-weight:700}.field-hint{margin:7px 1px 0;color:#91a7b9;font-size:9px;line-height:1.7}.login-strip{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px;padding:10px;border:1px solid #e0eef8;border-radius:11px;background:#f7fbff}.login-strip strong{display:block;color:#3e6e92;font-size:10px}.login-strip small{display:block;margin-top:4px;color:#95aabc;font-size:9px;line-height:1.5}.parse-status{margin-top:12px;padding:11px 12px;border:1px solid #dceefa;border-radius:11px;background:#f4faff;color:#5682a4;font-size:10px;line-height:1.7}.parse-status.error{border-color:#f1d9dc;background:#fff8f8;color:#b26c76}
.preview-panel{margin-top:12px}.preview-list{display:grid;gap:8px;max-height:390px;overflow:auto;margin-top:12px}.preview-row{display:flex;align-items:flex-start;gap:9px;padding:10px;border:1px solid #e1edf7;border-radius:11px;background:#f9fcff}.preview-row input{width:17px;min-height:17px;margin-top:2px;accent-color:var(--blue)}.preview-copy{min-width:0;flex:1}.preview-copy strong{display:block;overflow-wrap:anywhere;color:#416b8b;font-size:11px;line-height:1.5}.preview-copy small{display:block;margin-top:4px;color:#93a9bb;font-size:9px;line-height:1.5}.preview-views{flex-shrink:0;color:#397eaf;font-size:10px;font-weight:700}.preview-footer{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:13px;padding-top:12px;border-top:1px solid #eaf2f8;color:#7694ac;font-size:10px}
.settings-panel{padding:4px 14px}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:69px;border-bottom:1px solid #edf3f8}.setting-row:last-child{border-bottom:0}.setting-row strong{display:block;color:#416b8c;font-size:12px}.setting-row small{display:block;max-width:210px;margin-top:4px;color:#95aabc;font-size:9px;line-height:1.5}.setting-row select{width:112px;min-height:36px;font-size:10px}.switch{position:relative;display:inline-block;width:43px;height:25px;flex-shrink:0}.switch input{width:0;height:0;opacity:0}.switch span{position:absolute;inset:0;border-radius:99px;background:#d7e5ef;transition:.2s}.switch span:before{position:absolute;content:"";width:19px;height:19px;left:3px;top:3px;border-radius:50%;background:white;box-shadow:0 2px 4px rgba(0,0,0,.12);transition:.2s}.switch input:checked+span{background:#3e9cf1}.switch input:checked+span:before{transform:translateX(18px)}.about-panel h3{margin:0 0 9px;color:#3e6c91;font-size:13px}.about-panel ul{margin:0;padding-left:17px;color:#819cb2;font-size:10px;line-height:1.9}.version-note{padding:18px 0;color:#9ab0c2;font-size:9px;text-align:center}
.bottom-nav{position:fixed;z-index:8;right:0;bottom:0;left:0;display:grid;grid-template-columns:repeat(4,1fr);padding:7px 8px calc(7px + env(safe-area-inset-bottom));border-top:1px solid #deebf5;background:rgba(250,253,255,.97);backdrop-filter:blur(14px)}.bottom-nav button{display:flex;flex-direction:column;align-items:center;gap:3px;min-height:48px;border:0;background:transparent;color:#93a9bb;font-size:9px}.bottom-nav button span{font-size:19px;line-height:1.2}.bottom-nav button.active{color:#1676cf;font-weight:800}.toast{position:fixed;z-index:20;right:20px;bottom:calc(82px + env(safe-area-inset-bottom));left:20px;max-width:440px;margin:auto;padding:11px 14px;border-radius:12px;background:rgba(28,75,113,.93);color:white;font-size:11px;line-height:1.5;text-align:center;opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s}.toast.show{opacity:1;transform:none}.history-panel{margin-bottom:18px}.history-chart{min-height:120px;margin-top:12px;padding:8px;border-radius:11px;background:#f5faff}.history-chart svg{width:100%;height:110px}.history-rows{display:grid;gap:5px;margin-top:10px}.history-row{display:flex;justify-content:space-between;gap:8px;color:#8aa2b7;font-size:9px}.icon-button{width:30px;height:30px;border:1px solid #e1edf7;border-radius:9px;background:#f7fbff;color:#7898b3}
@media(min-width:600px){main{padding:22px 22px 30px}.summary-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.welcome-card{min-height:190px}.welcome-card h2{font-size:26px}.video-list{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Coastal artwork supplied by the user. */
:root{--blue:#006fd7;--ink:#173e5c;--muted:#56738d;--line:rgba(72,145,197,.18);--bg:#eaf7ff;--shadow:0 7px 24px rgba(18,80,131,.07)}
html{background:var(--bg)}body{isolation:isolate;background:transparent}body::before{position:fixed;z-index:-1;inset:0;content:"";background:linear-gradient(180deg,rgba(238,249,255,.24),rgba(237,249,255,.56)),url("hd-bg-mobile.webp") center/cover no-repeat;pointer-events:none}
.app-header{gap:12px;padding:calc(13px + env(safe-area-inset-top)) 18px 13px;border-color:rgba(255,255,255,.7);background:rgba(247,252,255,.9)}.brand-icon{flex-shrink:0;border-radius:14px;background:rgba(255,255,255,.82)}.brand-copy h1{color:#124f80;font-size:18px}.brand-copy p{color:var(--muted);font-size:11px}.local-pill{border:0;background:rgba(255,255,255,.86);color:#35698e}
main{max-width:820px;padding:16px 16px 26px}.welcome-card{display:block;min-height:0;padding:8px 18px 23px;border:1px solid rgba(255,255,255,.76);border-radius:22px;background:rgba(248,253,255,.48);box-shadow:none;text-align:center}.welcome-art{display:block;width:min(100%,360px);height:164px;margin:-4px auto -4px;object-fit:contain}.welcome-card h2{font-size:21px;line-height:1.45;color:#124f80}.welcome-card p:not(.eyebrow){max-width:none;margin:7px auto 0;color:#416a87;font-size:12px;line-height:1.7}
.section-heading{margin-top:24px}.section-heading h2,.page-title h2{color:#124f80}.section-heading p,.page-title p:not(.eyebrow){color:#416a87;font-size:12px}.page-title{margin:10px 2px 20px}.page-title h2{font-size:25px}.text-button{min-height:40px;color:#005fb8;font-size:12px}
.summary-grid{gap:10px}.summary-card{min-height:112px;padding:15px;border-color:rgba(255,255,255,.95);background:rgba(255,255,255,.96);border-radius:17px}.summary-card span{color:var(--muted);font-size:12px}.summary-card strong{margin-top:9px;color:#1262a7;font-size:28px}.summary-card small{color:var(--muted);font-size:10px;line-height:1.5}
.panel,.video-card,.source-panel{background:rgba(255,255,255,.97);border-color:rgba(255,255,255,.95)}.panel{padding:16px;border-radius:18px}.panel-head h3{color:#245d87;font-size:15px}.panel-head p{color:var(--muted);font-size:11px}.soft-tag{color:#416f92;background:#eaf6ff;font-size:10px}.recent-row{border-color:var(--line)}.recent-row strong{max-width:260px;color:#315b7a;font-size:13px}.recent-row small{color:var(--muted);font-size:10px}.recent-count{color:#1262a7;font-size:15px}.notice-card{background:rgba(249,253,255,.94);border-color:rgba(255,255,255,.95);color:#466c88;font-size:11px}
input,textarea,select{font-size:13px;color:var(--ink);background:#fbfdff;border-color:#c7dfee}.toolbar input{flex:1;min-width:0}.primary-button,.outline-button{min-height:43px;font-size:12px;border-radius:12px}.primary-button{background:var(--blue);box-shadow:0 5px 14px rgba(0,111,215,.15)}.outline-button{color:#246a9e;border-color:#b5d7ee;background:#f6fbff}.full-button{margin-top:12px}button:focus-visible{outline:3px solid #195d9c;outline-offset:3px}
.video-list{gap:12px}.video-card{padding:16px;border-radius:18px}.video-title{color:#315b7a;font-size:14px}.video-bv,.video-current small,.video-footer{color:var(--muted);font-size:10px}.video-current{color:#1262a7;font-size:20px}.metrics{gap:6px}.metric{background:#edf7fe;padding:9px 7px;border-radius:10px}.metric span{color:var(--muted);font-size:10px}.metric strong{color:#246d9f;font-size:12px}.video-actions button{font-size:11px}.empty-state{color:var(--muted);font-size:12px}
.segmented{background:rgba(236,248,255,.87);border:1px solid rgba(255,255,255,.8);border-radius:14px}.segmented button{min-height:39px;color:#426e8c;font-size:12px}.segmented button.active{color:#075eac;background:white}.source-panel{padding:16px;border-radius:18px}.source-panel label{font-size:12px;color:#3a6482}.field-hint,.login-strip small,.preview-copy small{color:var(--muted);font-size:10px}.login-strip strong{font-size:11px}.parse-status{font-size:12px;background:#f3faff;color:#3d6a8a}.preview-row{background:#f7fcff;border-color:#d8eaf6}.preview-copy strong{font-size:12px}.preview-views,.preview-footer{font-size:11px}.preview-footer{color:var(--muted)}
.settings-panel{padding:4px 16px}.setting-row{min-height:83px;gap:14px}.setting-row strong{font-size:13px}.setting-row small{max-width:225px;color:var(--muted);font-size:11px;line-height:1.6}.setting-row>.soft-tag{flex-shrink:0}.about-panel h3{font-size:14px}.about-panel ul{color:var(--muted);font-size:11px;line-height:1.9}.signature-art{max-width:290px;width:85%;margin:20px auto 0}.signature-art img{display:block;width:100%;height:166px;object-fit:contain}.version-note{padding:10px 0 18px;color:#416a87;font-size:10px}
.bottom-nav{padding-top:8px;background:rgba(250,254,255,.97);border-color:rgba(202,227,243,.9)}.bottom-nav button{gap:4px;min-height:49px;color:#627f95;font-size:10px}.bottom-nav button.active{color:#075eac}.bottom-nav button span{font-size:21px}.toast{background:rgba(22,68,105,.96);font-size:12px}.history-row{color:var(--muted);font-size:10px}
@media(min-width:600px){body::before{background-image:linear-gradient(180deg,rgba(238,249,255,.26),rgba(237,249,255,.56)),url("hd-bg-desktop.webp")}main{padding:24px 26px 32px}.welcome-card{min-height:225px;padding-top:10px}.welcome-art{height:170px}.welcome-card h2{font-size:24px}.summary-card{min-height:122px}.recent-row strong{max-width:460px}}
@media(max-width:359px){main{padding-right:12px;padding-left:12px}.brand-copy h1{font-size:16px}.brand-copy p{font-size:10px}.local-pill{padding:5px 7px;font-size:9px}.welcome-art{height:145px}.welcome-card h2{font-size:19px}.summary-card{padding:13px}.setting-row>.soft-tag{font-size:9px;padding:5px 6px}.setting-row{gap:8px}.video-card{padding:13px}.metric span{font-size:9px}}
.brand-icon{width:64px;height:43px;background:transparent}.brand-icon img{width:100%;height:100%;object-fit:contain}
.chart-modes{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}.chart-modes button{min-height:40px;padding:7px 12px;border:1px solid #c7dfee;border-radius:10px;background:#f6fbff;color:#35698e;font-size:12px}.chart-modes button[aria-pressed="true"]{border-color:var(--blue);background:var(--blue);color:white}.playback-chart{width:100%;overflow-x:auto;margin-top:8px}.playback-chart svg{display:block;font-size:11px;font-family:inherit;overflow:visible}.chart-grid{stroke:#dfedf8;stroke-width:1}.playback-bar{fill:var(--blue)}.playback-chart text{fill:var(--ink)}.playback-chart .chart-tick,.playback-chart .chart-unit{fill:var(--muted)}.chart-value{font-weight:700;font-variant-numeric:tabular-nums}
.chart-group-row{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:12px}.chart-group-row label{white-space:nowrap}.chart-group-row select{flex:1;min-width:0}.chart-pages{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:10px;font-size:12px}.chart-pages[hidden]{display:none}.chart-pages button:disabled{opacity:.45}.group-field{display:block;margin:14px 0 7px;font-size:12px;color:var(--ink)}.group-selection-heading{display:flex;justify-content:space-between;gap:8px;margin:16px 0 9px;font-size:12px}.group-members{max-height:330px;overflow:auto;color:var(--muted);font-size:12px}.group-member{display:flex;align-items:center;gap:10px;min-height:54px;padding:7px 0;border-bottom:1px solid var(--line)}.group-member input{width:18px;min-height:18px;flex-shrink:0;accent-color:var(--blue)}.group-member span{min-width:0}.group-member strong{display:block;color:var(--ink);font-size:12px;overflow-wrap:anywhere}.group-member small{display:block;margin-top:3px;color:var(--muted);font-size:10px}.group-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}.group-error{color:#b26c76;font-size:12px}.group-actions button[hidden]{display:none}#import-group-name{margin-top:9px}#import-group-name[hidden]{display:none}
.video-footer{flex-wrap:wrap}.monitor-status{margin:10px 0 0;color:var(--muted);font-size:11px;line-height:1.6}.monitoring-alert{border-color:#e4a3a3;background:#fff7f7}.monitoring-alert .monitor-status,.monitoring-alert .video-current,.alert-tag{color:#b52232}.monitoring-paused .monitor-status,.monitoring-paused .video-current{color:#687e8e}.playback-bar.chart-alert{fill:#c72d3c}.playback-bar.chart-paused{fill:#8a9ba8}.chart-legend{display:flex;gap:12px;flex-wrap:wrap;margin:8px 0;color:var(--muted);font-size:11px}.chart-legend .alert-key{color:#b52232}
.library-controls{margin:0 0 12px;scroll-margin-top:90px}.library-controls>label{display:block;margin-bottom:8px;color:var(--ink);font-size:12px}.list-pager{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:6px;margin:12px 0;font-size:12px}.list-pager select{min-width:0;padding-left:8px;padding-right:5px;font-size:12px}.list-pager button{padding-right:10px;padding-left:10px}.list-pager button:disabled{opacity:.45}.list-pager span{text-align:center}.library-bottom-pager[hidden]{display:none}.preview-row{scroll-margin-top:90px}
#historical-area{margin-top:12px}#historical-area[hidden]{display:none}#historical-info{margin-bottom:12px}#historical-list{grid-template-columns:1fr}.historical-card{box-shadow:none;border-color:var(--line)}.historical-card .video-current{font-size:17px}#historical-toggle{flex-shrink:0}
.nickname-setting{align-items:flex-start;flex-direction:column;gap:9px;padding:14px 0}.nickname-controls{display:flex;width:100%;gap:8px}.nickname-controls input{min-width:0;flex:1}#welcome-title{overflow-wrap:anywhere}.setting-row>.outline-button{flex-shrink:0}
.home-intro{padding:5px 16px 13px;border:1px solid rgba(255,255,255,.85);background:rgba(248,253,255,.62)}.home-intro .welcome-art{display:block;width:min(100%,260px);height:108px;margin:0 auto 4px;object-fit:contain}.home-headline{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;align-items:center}.home-headline .total-playback{min-width:0;margin:0}.total-playback>span{color:var(--muted);font-size:12px}.total-playback>strong{display:block;margin-top:5px;color:#1262a7;font-size:clamp(24px,6vw,34px);line-height:1.2;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.home-headline h2{margin:0;padding-left:12px;border-left:1px solid rgba(72,145,197,.24);color:#124f80;font-size:clamp(14px,4vw,17px);line-height:1.5;overflow-wrap:anywhere}.home-intro-footnote{margin-top:11px;padding-top:8px;border-top:1px solid rgba(72,145,197,.2);color:#416a87;text-align:center}.home-intro-footnote p{margin:2px 0;font-size:10px;line-height:1.7}@media(min-width:600px){.home-intro .welcome-art{height:112px}.home-intro-footnote p{font-size:11px}.home-headline h2{font-size:19px}}

#select-all-parsed[hidden]{display:none}#historical-group{margin-bottom:10px}