*,:before,:after{box-sizing:border-box}:root{--bg:#0f0f10;--accent:#ff3366;--accent-soft:rgba(255,51,102,.18);--text:#f9fafb;--text-soft:#a1a1aa;--shadow:0 18px 40px rgba(0,0,0,.6)}html,body{margin:0;padding:0;height:100%;background:radial-gradient(circle at top left,#18181b 0,#050509 55%);font-family:Inter,system-ui,sans-serif;color:var(--text)}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:40;height:56px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;background:rgba(10,10,14,.96);backdrop-filter:blur(18px);border-bottom:1px solid rgba(39,39,47,.9)}.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px}.logo-img{height:26px}.topbar-label{font-size:14px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.04);color:var(--text-soft)}.topbar-button{border-radius:999px;border:1px solid rgba(255,255,255,.08);background:transparent;color:var(--text);padding:6px 14px;font-size:13px;cursor:pointer}.main{flex:1;display:grid;grid-template-columns:230px minmax(0,1fr);max-width:1440px;margin:0 auto;width:100%}.sidebar{padding:16px 10px 20px 16px;border-right:1px solid rgba(39,39,47,.9);background:radial-gradient(circle at top,#14141b 0,#050509 60%);display:flex;flex-direction:column;gap:4px}.nav-item{all:unset;padding:9px 12px;margin-right:6px;border-radius:12px;font-size:14px;color:var(--text-soft);cursor:pointer}.nav-item:hover{background:rgba(255,255,255,.04);color:var(--text)}.nav-item.nav-active{background:var(--accent-soft);color:var(--accent);border:1px solid rgba(255,51,102,.5)}.content{padding:18px 22px 26px 18px;overflow:auto}.section{display:none}.section.section-active{display:block}.section-title{font-size:20px;font-weight:600;margin:0 0 18px}.overview-header,.upload-form{padding:16px 18px;background:rgba(15,15,18,.9);border-radius:18px;border:1px solid rgba(255,255,255,.06);box-shadow:var(--shadow)}.overview-header{display:flex;justify-content:space-between;gap:20px}.overview-channel{display:flex;gap:14px;align-items:center}.overview-avatar-wrap{width:52px;height:52px;border-radius:999px;overflow:hidden}.overview-avatar{width:100%;height:100%;object-fit:cover}.overview-title{font-size:17px;font-weight:600}.overview-handle,.muted,.field-help{font-size:13px;color:var(--text-soft)}.overview-stats{display:flex;gap:10px}.stat-card{min-width:96px;padding:10px 12px;background:rgba(24,24,30,.9);border-radius:14px}.stat-label{font-size:11px;color:var(--text-soft)}.stat-value{margin-top:4px;font-size:16px;font-weight:600}.upload-grid{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(0,1.1fr);gap:18px}.upload-main,.upload-side{display:flex;flex-direction:column;gap:10px}.field-label{font-size:13px;color:var(--text-soft);margin-bottom:4px}input[type=text],textarea,select,input[type=file]{width:100%;font:inherit;font-size:14px;padding:7px 9px;border-radius:10px;border:1px solid rgba(255,255,255,.08);background:rgba(20,20,25,.95);color:var(--text)}.primary-button,.secondary-button{font:inherit;font-size:14px;padding:9px 16px;border-radius:999px;border:none;cursor:pointer}.primary-button{background:var(--accent);color:#fff}.secondary-button{background:rgba(255,255,255,.04);color:var(--text-soft)}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.videoCard{background:rgba(15,15,18,.94);border-radius:16px;border:1px solid rgba(255,255,255,.06);overflow:hidden;box-shadow:0 16px 40px rgba(0,0,0,.7)}.videoThumb{width:100%;display:block;object-fit:cover;aspect-ratio:16/9}.videoMeta{padding:8px 10px 10px}.videoTitle{font-size:14px;font-weight:500;margin-bottom:4px}.videoSub{font-size:12px;color:var(--text-soft);display:flex;gap:6px}.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:100}.modal.show{display:flex}.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.7)}.modal-body{position:relative;width:100%;max-width:420px;padding:18px;border-radius:18px;background:#101017;z-index:101}.handle-row{display:flex;align-items:center;gap:4px}.handle-prefix{padding:7px 9px;border-radius:10px;background:rgba(22,22,28,.95);color:var(--text-soft)}.modal-actions{margin-top:14px;display:flex;gap:8px;justify-content:flex-end}.header-user{position:relative;display:flex;align-items:center;gap:8px;cursor:pointer}.header-user-name{font-size:13px;color:var(--text-soft);max-width:160px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-user-avatar{width:30px;height:30px;border-radius:999px;object-fit:cover}.header-user-menu{position:absolute;right:0;top:120%;min-width:180px;padding:6px;background:#111117;border-radius:14px;box-shadow:var(--shadow);display:none;flex-direction:column;gap:4px}.header-user:hover .header-user-menu{display:flex}.header-user-menu button{all:unset;font-size:13px;padding:8px 10px;border-radius:10px;color:var(--text-soft);cursor:pointer}.header-user-menu button:hover{background:rgba(255,255,255,.04);color:var(--text)}
.panel-grid{display:grid;gap:16px;margin-top:18px}.panel-grid.two-col{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.panel{padding:16px 18px;background:rgba(15,15,18,.9);border-radius:18px;border:1px solid rgba(255,255,255,.06);box-shadow:var(--shadow)}.panel h2{margin:0 0 12px;font-size:16px}.stack-list{display:flex;flex-direction:column;gap:10px}.list-card{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;align-items:center;padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.05)}.compact-card{grid-template-columns:minmax(0,1fr)}.list-thumb{width:84px;height:48px;border-radius:10px;object-fit:cover}.list-avatar{width:36px;height:36px;border-radius:999px;object-fit:cover}.list-title{font-size:14px;font-weight:600}.list-sub{font-size:12px;color:var(--text-soft);margin-top:3px}.empty-state{padding:14px;border-radius:12px;background:rgba(255,255,255,.03);color:var(--text-soft)}