:root{--bg: #0f1117;--bg-card: #1a1d27;--bg-hover: #22263a;--bg-input: #252836;--border: #2d3348;--border-focus: #5b8def;--accent: #5b8def;--accent-hover: #7ba4f7;--accent-dim: rgba(91, 141, 239, .12);--success: #34d399;--success-dim: rgba(52, 211, 153, .12);--warn: #fbbf24;--warn-dim: rgba(251, 191, 36, .12);--danger: #f87171;--danger-dim: rgba(248, 113, 113, .12);--text: #e4e8f1;--text-dim: #8b92a8;--text-muted: #5a6178;--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--shadow: 0 4px 24px rgba(0, 0, 0, .35);--font: "Inter", "Segoe UI", "Hiragino Sans", sans-serif;--mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;--sidebar-w: 220px;--header-h: 56px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:15px;-webkit-text-size-adjust:100%}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100dvh;overflow-x:hidden;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit;border:none;background:none;outline:none}input,textarea,select{font-family:inherit;outline:none}img,svg{display:block}.text-xs{font-size:.72rem}.text-sm{font-size:.82rem}.text-base{font-size:.92rem}.text-md{font-size:1rem}.text-lg{font-size:1.15rem}.text-xl{font-size:1.35rem}.text-dim{color:var(--text-dim)}.text-muted{color:var(--text-muted)}.text-accent{color:var(--accent)}.mono{font-family:var(--mono)}.bold{font-weight:700}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1rem;border-radius:var(--r-sm);font-size:.82rem;font-weight:500;transition:all .15s;white-space:nowrap;min-height:36px;border:1px solid transparent}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:not(:disabled):hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-success{background:linear-gradient(135deg,#059669,var(--success));color:#fff;box-shadow:0 4px 16px #34d39940}.btn-success:not(:disabled):hover{opacity:.92;transform:translateY(-1px)}.btn-success:not(:disabled):active{transform:translateY(0)}.btn-ghost{background:transparent;color:var(--text-dim);border-color:var(--border)}.btn-ghost:not(:disabled):hover{background:#ffffff0f;color:var(--text)}.btn-danger{background:var(--danger-dim);color:var(--danger);border-color:var(--danger)}.btn-danger:not(:disabled):hover{background:var(--danger);color:#fff}.btn-icon{padding:.45rem;min-height:auto;border-radius:var(--r-sm)}.btn-lg{padding:.85rem 1.5rem;font-size:1rem;min-height:52px;border-radius:var(--r-md)}.input{width:100%;padding:.6rem .85rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text);font-size:.88rem;transition:border .15s}.input:focus{border-color:var(--border-focus)}.input::placeholder{color:var(--text-muted)}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg 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infinite}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0}.spinner-sm{width:20px;height:20px;border-width:2px}.spinner-md{width:32px;height:32px}.spinner-lg{width:48px;height:48px;border-width:4px}.progress-track{height:6px;background:var(--bg-input);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-hover));border-radius:3px;transition:width .4s ease}.progress-track-lg{height:10px;border-radius:5px}.divider{height:1px;background:var(--border)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;padding:3rem 1.5rem;text-align:center}.empty-icon{font-size:2.5rem;opacity:.5}.toast-container{position:fixed;top:1rem;right:1rem;z-index:9999;display:flex;flex-direction:column;gap:.4rem;pointer-events:none;max-width:min(360px,calc(100vw - 2rem))}.toast{padding:.7rem 1rem;border-radius:var(--r-sm);font-size:.82rem;font-weight:500;box-shadow:var(--shadow);pointer-events:auto;animation:toastIn .25s ease;word-break:break-word;line-height:1.4}.toast-success{background:#059669;color:#fff}.toast-error{background:#dc2626;color:#fff}.toast-info{background:var(--accent);color:#fff}.toast-warn{background:#b45309;color:#fff}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:8000;background:#000000bf;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:1.5rem}.overlay-box{width:min(480px,94vw);max-height:90dvh;overflow-y:auto}.confirm-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-lg);padding:1.75rem;text-align:center}.confirm-title{font-size:1.05rem;font-weight:700;margin-bottom:.5rem}.confirm-body{color:var(--text-dim);font-size:.88rem;line-height:1.6;margin-bottom:1.5rem}.confirm-actions{display:flex;gap:.75rem;justify-content:center}.phase-stepper{display:flex;align-items:center;gap:0;padding:.5rem .75rem;background:var(--bg-input);border-radius:var(--r-sm);overflow-x:auto}.phase-step{display:flex;align-items:center;gap:.3rem;font-size:.72rem;color:var(--text-muted);white-space:nowrap;flex-shrink:0;transition:color .2s}.phase-step.done{color:var(--success)}.phase-step.active{color:var(--accent);font-weight:600}.phase-connector{flex:1;min-width:12px;height:2px;background:var(--border);margin:0 .35rem;border-radius:1px;transition:background .2s}.phase-connector.done{background:var(--success)}.phase-connector.active{background:linear-gradient(90deg,var(--success),var(--accent))}.filter-tabs{display:flex;gap:.25rem;padding:.25rem;background:var(--bg-input);border-radius:var(--r-sm);overflow-x:auto;-webkit-overflow-scrolling:touch}.filter-tab{padding:.4rem .85rem;border-radius:6px;font-size:.78rem;font-weight:500;color:var(--text-dim);background:transparent;border:none;cursor:pointer;transition:all .15s;white-space:nowrap;flex-shrink:0;min-height:34px;display:flex;align-items:center;gap:.3rem}.filter-tab:hover{background:#ffffff0f;color:var(--text)}.filter-tab.active{background:var(--accent);color:#fff}.tab-count{font-size:.68rem;opacity:.75}.type-badge{font-size:.65rem;font-weight:700;padding:.15rem .45rem;border-radius:4px;text-transform:uppercase;letter-spacing:.03em;white-space:nowrap}.type-video{background:#8b5cf62e;color:#c4b5fd}.type-audio{background:var(--success-dim);color:var(--success)}.type-original{background:var(--warn-dim);color:var(--warn)}.type-other{background:#8b94a81f;color:var(--text-muted)}.hide-mobile{display:initial}.show-mobile{display:none}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}@keyframes toastIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}.admin-root{display:flex;min-height:100dvh}.sidebar{width:var(--sidebar-w);background:var(--bg-card);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-brand{display:flex;align-items:center;gap:.6rem;padding:1.1rem 1rem;padding-top:calc(1.1rem + env(safe-area-inset-top,0px));border-bottom:1px solid var(--border);flex-shrink:0}.sidebar-brand-icon{width:28px;height:28px;flex-shrink:0}.sidebar-brand-name{font-size:.88rem;font-weight:700;line-height:1.2}.sidebar-brand-ver{font-size:.6rem;color:var(--text-muted)}.sidebar-nav{flex:1;padding:.75rem 0;overflow-y:auto}.nav-link{display:flex;align-items:center;gap:.65rem;padding:.6rem 1rem;font-size:.85rem;color:var(--text-dim);border-radius:0;transition:all .15s;text-decoration:none;border-left:2px solid transparent}.nav-link:hover{background:var(--bg-hover);color:var(--text);text-decoration:none}.nav-link.active{background:var(--accent-dim);color:var(--accent);border-left-color:var(--accent);font-weight:600}.nav-icon{font-size:1rem;width:20px;text-align:center;flex-shrink:0}.admin-main{margin-left:var(--sidebar-w);flex:1;min-width:0;display:flex;flex-direction:column}.admin-topbar{height:var(--header-h);background:var(--bg-card);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 1.25rem;gap:1rem;flex-shrink:0;position:sticky;top:0;z-index:50;padding-top:env(safe-area-inset-top,0px)}.admin-page-title{font-size:.95rem;font-weight:700;flex:1}.admin-content{flex:1;padding:1.25rem;max-width:1200px}.bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;height:calc(56px + env(safe-area-inset-bottom,0px));background:var(--bg-card);border-top:1px solid var(--border);z-index:100}.bottom-nav-inner{display:flex;height:56px}.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.2rem;font-size:.6rem;color:var(--text-muted);text-decoration:none;transition:color .15s;padding:.4rem 0}.bottom-nav-item.active{color:var(--accent)}.bottom-nav-icon{font-size:1.2rem}.share-root{min-height:100dvh;display:flex;flex-direction:column}.share-header{display:flex;align-items:center;justify-content:center;padding:.9rem 1.25rem;padding-top:calc(.9rem + env(safe-area-inset-top,0px));background:var(--bg-card);border-bottom:1px solid var(--border);flex-shrink:0}.share-brand{display:flex;align-items:center;gap:.6rem}.share-brand-icon{width:28px;height:28px}.share-brand-name{font-size:.95rem;font-weight:700}.share-brand-ver{font-size:.6rem;background:var(--accent-dim);color:var(--accent);padding:.15rem .5rem;border-radius:4px;font-weight:600}.share-main{flex:1;max-width:720px;width:100%;margin:0 auto;padding:1.5rem;padding-bottom:calc(1.5rem + env(safe-area-inset-bottom,0px))}.share-footer{text-align:center;padding:1.5rem 1rem;color:var(--text-muted);font-size:.72rem;border-top:1px solid var(--border)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.75rem;margin-bottom:1.25rem}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-md);padding:1rem}.stat-value{font-size:1.6rem;font-weight:700;line-height:1;margin-bottom:.25rem}.stat-label{font-size:.72rem;color:var(--text-muted)}@media (max-width: 768px){html{font-size:14px}.hide-mobile{display:none}.show-mobile{display:initial}.sidebar{display:none}.admin-main{margin-left:0;padding-bottom:calc(56px + env(safe-area-inset-bottom,0px))}.admin-topbar{padding-top:calc(.75rem + env(safe-area-inset-top,0px));height:auto;min-height:var(--header-h);padding-top:env(safe-area-inset-top,0px);padding-bottom:.75rem}.admin-content{padding:.75rem}.bottom-nav{display:flex;flex-direction:column}.stats-grid{grid-template-columns:repeat(2,1fr)}.share-main{padding:.75rem}.btn-lg{min-height:56px;font-size:1rem}}