:root{--bg: #0c0f14;--bg-elevated: #131820;--bg-card: #181e28;--bg-hover: #1e2633;--border: #2a3344;--border-light: #354158;--text: #e8ecf2;--text-secondary: #8b95a8;--text-muted: #5c6678;--accent: #3b9eff;--accent-hover: #5cb0ff;--accent-dim: rgba(59, 158, 255, .12);--success: #34d399;--success-dim: rgba(52, 211, 153, .12);--warning: #fbbf24;--warning-dim: rgba(251, 191, 36, .12);--danger: #f87171;--danger-dim: rgba(248, 113, 113, .12);--radius: 10px;--radius-sm: 6px;--shadow: 0 4px 24px rgba(0, 0, 0, .4);--sidebar-width: 240px;--font: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}button{font-family:inherit;cursor:pointer;border:none;background:none}input,select,textarea{font-family:inherit;font-size:14px}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-elevated);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-brand{padding:24px 20px;border-bottom:1px solid var(--border)}.sidebar-brand h1{font-size:18px;font-weight:700;letter-spacing:-.02em}.sidebar-brand span{display:block;font-size:12px;color:var(--text-muted);margin-top:2px}.sidebar-nav{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:4px}.nav-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:14px;font-weight:500;transition:all .15s}.nav-link:hover{background:var(--bg-hover);color:var(--text)}.nav-link.active{background:var(--accent-dim);color:var(--accent)}.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border)}.main-content{flex:1;margin-left:var(--sidebar-width);padding:32px 40px;max-width:1200px}.page-header{margin-bottom:28px}.page-header h2{font-size:24px;font-weight:700;letter-spacing:-.03em}.page-header p{color:var(--text-secondary);font-size:14px;margin-top:4px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.card+.card{margin-top:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;transition:all .15s;white-space:nowrap}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-hover);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{border-color:var(--border-light);background:var(--bg-elevated)}.btn-danger{background:var(--danger-dim);color:var(--danger)}.btn-danger:hover{background:#f8717133}.btn-ghost{color:var(--text-secondary);padding:6px 10px}.btn-ghost:hover{color:var(--text);background:var(--bg-hover);border-radius:var(--radius-sm)}.btn-sm{padding:5px 10px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:18px}.form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-input{width:100%;padding:10px 12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);transition:border-color .15s}.form-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.form-input::placeholder{color:var(--text-muted)}.form-input[type=date],.form-input[type=time],.form-input[type=datetime-local]{color-scheme:dark;min-height:42px;position:relative}.form-input[type=date]::-webkit-calendar-picker-indicator,.form-input[type=time]::-webkit-calendar-picker-indicator,.form-input[type=datetime-local]::-webkit-calendar-picker-indicator{filter:invert(.85);cursor:pointer;opacity:1;padding:4px;margin-left:4px}.form-input[type=date]::-webkit-date-and-time-value,.form-input[type=time]::-webkit-date-and-time-value,.form-input[type=datetime-local]::-webkit-date-and-time-value{text-align:left}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-hint{font-size:12px;color:var(--text-muted);margin-top:4px}.form-actions{display:flex;gap:10px;margin-top:24px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;padding:10px 14px;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border)}td{padding:14px;font-size:14px;border-bottom:1px solid var(--border);vertical-align:middle}tr:last-child td{border-bottom:none}tr:hover td{background:var(--bg-hover)}.mono{font-family:var(--mono);font-size:13px}.badge{display:inline-block;padding:3px 8px;border-radius:4px;font-size:12px;font-weight:500}.badge-active{background:var(--success-dim);color:var(--success)}.badge-paused{background:var(--warning-dim);color:var(--warning)}.badge-expired,.badge-banned{background:var(--danger-dim);color:var(--danger)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.stat-card .label{font-size:13px;color:var(--text-secondary)}.stat-card 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0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(52,211,153,.06) 0%,transparent 50%),var(--bg)}.login-card{width:400px;background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:40px;box-shadow:var(--shadow)}.login-card h1{font-size:22px;font-weight:700;margin-bottom:4px}.login-card .subtitle{color:var(--text-secondary);font-size:14px;margin-bottom:28px}.error-msg{background:var(--danger-dim);color:var(--danger);padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:16px}.success-msg{background:var(--success-dim);color:var(--success);padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:16px}.copy-btn{display:inline-flex;align-items:center;gap:4px;color:var(--accent);font-size:13px;cursor:pointer;background:none;border:none;font-family:var(--mono)}.copy-btn:hover{color:var(--accent-hover)}.copy-btn-block{display:flex;width:100%;max-width:100%;padding:10px 12px;background:var(--bg);border:1px solid 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var(--border);border-radius:var(--radius-sm);font-size:13px;background:var(--bg);color:var(--text)}.target-url-input{min-width:220px;max-width:360px}.target-url-display{max-width:280px}.inline-edit-actions,.remark-edit-actions{display:flex;gap:4px;flex-wrap:wrap}.expires-display{padding:0;border:none;background:none;color:var(--text-secondary);font-size:inherit;cursor:pointer;text-align:left;white-space:nowrap}.expires-display:hover{color:var(--accent);text-decoration:underline}.expires-edit{min-width:180px}.expires-never{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-secondary);cursor:pointer}.expires-fields{display:flex;flex-direction:column;gap:6px}.log-table .log-url-cell{max-width:280px;vertical-align:top}.log-url{display:block;font-size:12px;line-height:1.45;word-break:break-all;color:var(--text-secondary)}.log-url-new .log-url{color:var(--accent-hover)}.log-time,.log-ip{font-size:13px;color:var(--text-secondary);white-space:nowrap}.log-code-link{font-weight:600}.log-source{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:500}.log-source-admin{background:var(--accent-dim);color:var(--accent-hover)}.log-source-share{background:var(--warning-dim);color:var(--warning)}.log-cards{display:flex;flex-direction:column;gap:12px}.log-card{border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px;background:var(--bg)}.log-card-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.log-code{font-weight:700;color:var(--accent-hover)}.log-title{font-weight:600;margin-bottom:10px}.log-change-block{margin-bottom:10px;padding:10px;border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border)}.log-change-block.log-change-new{border-color:#3b9eff59;background:var(--accent-dim)}.log-change-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin-bottom:6px}.log-card-meta{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:12px;color:var(--text-muted)}.link-card-remark .remark-display{max-width:none;white-space:pre-wrap;text-overflow:unset}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty-state h3{font-size:16px;color:var(--text);margin-bottom:8px}.chart-container{margin-top:8px}.text-truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:280px}.share-page{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px;padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));background:var(--bg)}.share-card{width:100%;max-width:560px;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:28px;box-shadow:var(--shadow)}.share-card.expired{text-align:center}.share-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:8px;flex-wrap:wrap}.share-header h2{font-size:20px;font-weight:600}.label-muted{font-size:13px;color:var(--text-muted);margin-bottom:4px}.link-break{font-size:14px;word-break:break-all}.muted{color:var(--text-muted);font-size:13px}.mobile-header,.bottom-nav,.sidebar-overlay{display:none}.sidebar-role{font-size:13px;color:var(--text-muted);margin-bottom:8px}.link-cards{display:flex;flex-direction:column;gap:12px}.link-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px}.link-card-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.link-card-title-primary,.link-title-primary{font-size:17px;font-weight:700;color:var(--text);line-height:1.35;letter-spacing:.01em}.link-title-primary{max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.link-title-primary.is-empty,.link-card-title-primary.is-empty{color:var(--text-muted);font-weight:500;font-size:15px}.link-card-subtitle{margin-bottom:10px}.nickname-display{display:block;width:100%;padding:0;margin:0;border:none;background:none;color:var(--text-secondary);font-size:14px;font-weight:500;text-align:left;cursor:pointer;word-break:break-word}.nickname-display:hover{color:var(--accent)}.link-card-subtitle .nickname-display{font-size:15px}.link-card-subtitle .remark-edit,.link-card-subtitle 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.btn{flex:1}.btn-row{display:flex;gap:8px;flex-wrap:wrap}@media (max-width: 768px){.mobile-only{display:block}.desktop-only{display:none}.mobile-header{display:flex;align-items:center;gap:12px;position:fixed;top:0;left:0;right:0;z-index:120;height:56px;padding:0 16px;padding-top:env(safe-area-inset-top);background:var(--bg-elevated);border-bottom:1px solid var(--border)}.mobile-header-title{min-width:0;display:flex;flex-direction:column;gap:1px}.mobile-brand{font-size:15px;font-weight:700;letter-spacing:-.02em}.mobile-page{font-size:12px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;margin-left:-8px;padding:10px;border-radius:var(--radius-sm);flex-shrink:0}.menu-toggle:hover,.menu-toggle:focus-visible{background:var(--bg-hover);outline:none}.menu-toggle-bar{display:block;width:20px;height:2px;background:var(--text);border-radius:1px}.sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:130;border:none;background:#0000008c;cursor:pointer}.sidebar{display:flex;transform:translate(-100%);transition:transform .22s ease;box-shadow:var(--shadow)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0;max-width:none;padding:72px 16px 88px;padding-top:calc(72px + env(safe-area-inset-top));padding-bottom:calc(88px + env(safe-area-inset-bottom))}.bottom-nav{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:110;background:var(--bg-elevated);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:56px;padding:8px 4px;color:var(--text-muted);font-size:11px;font-weight:500;transition:color .15s}.bottom-nav-item.active{color:var(--accent)}.bottom-nav-icon{font-size:18px;line-height:1}.bottom-nav-label{line-height:1.2}.page-header{margin-bottom:20px}.page-header h2{font-size:20px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.stat-card{padding:14px}.stat-card .value{font-size:22px}.card{padding:16px}.toolbar{flex-direction:column;align-items:stretch}.toolbar-left{flex-direction:column;align-items:stretch;width:100%}.search-input,.filter-select{width:100%}.toolbar>.btn,.toolbar>a.btn{width:100%}.form-row{grid-template-columns:1fr}.form-input,.search-input,.filter-select{font-size:16px}.form-actions{flex-direction:column}.form-actions .btn{width:100%}.pagination{flex-direction:column;align-items:stretch;gap:12px;text-align:center}.pagination-btns{justify-content:center}.pagination-btns .btn{flex:1;max-width:140px}.login-card{width:100%;max-width:400px;margin:16px;padding:28px 24px}.login-page{padding:16px;align-items:flex-start;padding-top:max(24px,env(safe-area-inset-top))}.share-page{align-items:flex-start;padding-top:max(20px,env(safe-area-inset-top))}.share-card{padding:20px 16px;border-radius:var(--radius)}.share-header h2{font-size:18px}.text-truncate{max-width:160px}.actions-cell{flex-wrap:wrap}.btn{min-height:40px}.btn-sm{min-height:36px}.btn-row{flex-direction:column}.btn-row .btn{width:100%}.copy-field{flex-direction:column}.copy-field .btn{width:100%;min-width:0}}@media (max-width: 380px){.stats-grid{grid-template-columns:1fr}.bottom-nav-label{font-size:10px}}