:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-tertiary: #21262d;--bg-card: rgba(22, 27, 34, .8);--text-primary: #f0f6fc;--text-secondary: #8b949e;--text-muted: #6e7681;--accent-primary: #58a6ff;--accent-secondary: #238636;--accent-warning: #d29922;--accent-danger: #f85149;--accent-gradient: linear-gradient(135deg, #58a6ff 0%, #a371f7 100%);--border-color: #30363d;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--transition: all .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}.app{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--bg-secondary);border-right:1px solid var(--border-color);padding:24px 16px;display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0}.logo{display:flex;align-items:center;gap:12px;padding:8px 12px;margin-bottom:32px}.logo-icon{font-size:28px}.logo-text{font-size:20px;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.nav-links{list-style:none}.nav-links li{margin-bottom:4px}.nav-links a{display:flex;align-items:center;gap:12px;padding:12px 16px;color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-md);transition:var(--transition);font-weight:500}.nav-links a:hover{background:var(--bg-tertiary);color:var(--text-primary)}.nav-links a.active{background:#58a6ff26;color:var(--accent-primary)}.nav-icon{font-size:18px}.main-content{flex:1;margin-left:240px;padding:32px;min-height:100vh}.page-header{margin-bottom:32px}.page-header h1{font-size:28px;font-weight:700;margin-bottom:8px}.page-header p{color:var(--text-secondary);font-size:15px}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.card-title{font-size:16px;font-weight:600;color:var(--text-primary)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:32px}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;text-align:center}.stat-value{font-size:36px;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px}.stat-label{color:var(--text-secondary);font-size:14px;font-weight:500}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;font-size:14px;font-weight:600;border:none;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition)}.btn-primary{background:var(--accent-gradient);color:#fff}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-secondary)}.input-group{margin-bottom:20px}.input-group label{display:block;font-size:14px;font-weight:500;color:var(--text-secondary);margin-bottom:8px}.input{width:100%;padding:14px 16px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:15px;font-family:inherit;transition:var(--transition)}.input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #58a6ff33}.input::placeholder{color:var(--text-muted)}.activity-list{list-style:none}.activity-item{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--border-color)}.activity-item:last-child{border-bottom:none}.activity-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border-radius:50%;font-size:18px}.activity-content{flex:1}.activity-title{font-weight:500;margin-bottom:4px}.activity-meta{font-size:13px;color:var(--text-muted)}.status-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600}.status-badge.active{background:#23863633;color:#3fb950}.status-badge.pending{background:#d2992233;color:#d29922}.status-badge.draft{background:#8b949e33;color:#8b949e}.youtube-input-container{display:flex;gap:12px}.youtube-input-container .input{flex:1}.video-preview{background:var(--bg-tertiary);border-radius:var(--radius-lg);padding:20px;display:flex;gap:20px;margin-top:20px}.video-thumbnail{width:200px;height:112px;border-radius:var(--radius-md);object-fit:cover;background:var(--bg-primary)}.video-info h3{font-size:16px;font-weight:600;margin-bottom:8px}.video-info p{font-size:14px;color:var(--text-secondary);margin-bottom:4px}.platform-selector{display:flex;gap:12px;margin:20px 0}.platform-option{display:flex;align-items:center;gap:8px;padding:12px 20px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition)}.platform-option:hover{border-color:var(--accent-primary)}.platform-option.selected{background:#58a6ff26;border-color:var(--accent-primary)}.platform-option input{display:none}.ai-settings-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0}.ai-setting-card{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px}.ai-setting-card h4{font-size:14px;font-weight:600;margin-bottom:12px;color:var(--text-secondary)}.select{width:100%;padding:10px 12px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px;font-family:inherit;cursor:pointer}.select:focus{outline:none;border-color:var(--accent-primary)}.slider-container{margin-top:12px}.slider-container label{display:flex;justify-content:space-between;font-size:13px;color:var(--text-muted);margin-bottom:6px}.slider{-webkit-appearance:none;width:100%;height:6px;background:var(--bg-secondary);border-radius:3px;outline:none}.slider::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;background:var(--accent-primary);border-radius:50%;cursor:pointer;transition:var(--transition)}.slider::-webkit-slider-thumb:hover{transform:scale(1.1)}.content-list{display:flex;flex-direction:column;gap:16px}.content-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:var(--transition)}.content-item:hover{border-color:var(--accent-primary);transform:translateY(-2px)}.content-item-info h3{font-size:16px;font-weight:600;margin-bottom:8px}.content-item-meta{display:flex;gap:16px;font-size:13px;color:var(--text-muted)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty-state-icon{font-size:48px;margin-bottom:16px;opacity:.5}.empty-state h3{font-size:18px;font-weight:600;margin-bottom:8px}.empty-state p{font-size:14px;color:var(--text-muted)}.workflow-status{display:flex;align-items:center;gap:12px;padding:16px 20px;background:var(--bg-tertiary);border-radius:var(--radius-lg);margin-bottom:24px}.workflow-status-dot{width:12px;height:12px;border-radius:50%;animation:pulse 2s infinite}.workflow-status-dot.active{background:#3fb950}.workflow-status-dot.inactive{background:#f85149;animation:none}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.workflow-status-text{font-weight:500}.workflow-status-toggle{margin-left:auto}@media (max-width: 1024px){.sidebar{width:80px;padding:24px 8px}.logo-text,.nav-links a span:not(.nav-icon){display:none}.nav-links a{justify-content:center;padding:12px}.main-content{margin-left:80px}.ai-settings-grid{grid-template-columns:1fr}}