:root{--bg-primary: #0f0f0f;--bg-secondary: #1a1a1a;--bg-card: #1e1e1e;--bg-elevated: #252525;--text-primary: #ffffff;--text-secondary: #a0a0a0;--text-muted: #666666;--accent: #a855f7;--accent-light: #c084fc;--accent-dark: #7c3aed;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--border: #333333;--border-light: #444444;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--shadow: 0 4px 20px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .4);--header-height: 56px;--bottom-nav-height: 60px;--safe-area-bottom: env(safe-area-inset-bottom, 0px)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:linear-gradient(135deg,#1a0b2e,#16213e,#0f3460,#1a0b2e,#16213e);background-attachment:fixed;color:var(--text-primary);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{height:100%;display:flex;flex-direction:column}a{color:var(--accent);text-decoration:none}img{max-width:100%;display:block}.layout{display:flex;flex-direction:column;height:100%;overflow:hidden}.main-content{flex:1;overflow-y:auto;overflow-x:hidden;padding-bottom:calc(var(--bottom-nav-height) + var(--safe-area-bottom));-webkit-overflow-scrolling:touch}.page{padding:16px;min-height:100%}.page-title{font-size:24px;font-weight:700;margin-bottom:16px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.header{position:sticky;top:0;z-index:100;background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:0 16px;height:var(--header-height);display:flex;align-items:center;justify-content:space-between;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.header-left,.header-right{display:flex;align-items:center;gap:8px}.header-title{font-size:18px;font-weight:600}.header .btn-icon{width:40px;height:40px}.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;color:#fff;overflow:hidden}.user-avatar img{width:100%;height:100%;object-fit:cover}.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:100;background:var(--bg-secondary);border-top:1px solid var(--border);padding-bottom:var(--safe-area-bottom)}.bottom-nav-scroll{display:flex;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:6px 8px;gap:6px;scroll-behavior:smooth}.bottom-nav-scroll::-webkit-scrollbar{display:none}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:56px;padding:6px 8px;border-radius:var(--radius-md);color:var(--text-muted);font-size:9px;text-decoration:none;transition:all .2s ease;flex-shrink:0}.nav-item i{font-size:18px;margin-bottom:2px}.nav-item.active{color:var(--accent);background:#a855f726}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border:none;border-radius:var(--radius-md);font-size:14px;font-weight:600;cursor:pointer;transition:transform .15s,opacity .15s}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-lg{padding:16px 24px;font-size:16px}.btn-block{width:100%}.btn-icon{width:44px;height:44px;padding:0;border:none;background:transparent;color:var(--text-secondary);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;transition:color .2s,background .2s}.btn-icon:active{background:var(--bg-elevated)}.btn-icon.active{color:var(--accent)}.btn-icon.danger{color:var(--danger)}.btn-close{width:32px;height:32px;border:none;background:var(--bg-elevated);color:var(--text-secondary);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center}.card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);padding:16px}.card-glass{background:#1e1e1ecc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.content-card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);overflow:hidden;text-decoration:none;color:inherit;display:flex;flex-direction:row;gap:12px;padding:12px;transition:all .2s ease}.content-card:active{transform:scale(.98);background:var(--bg-elevated)}.content-card-thumbnail{position:relative;width:120px;min-width:120px;aspect-ratio:16 / 9;background:var(--bg-secondary);overflow:hidden;border-radius:var(--radius-sm);flex-shrink:0}.content-card-thumbnail img{width:100%;height:100%;object-fit:cover}.content-card-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:32px;color:var(--text-muted)}.content-card-type{position:absolute;top:4px;left:4px;background:#000000b3;padding:2px 6px;border-radius:var(--radius-sm);font-size:10px;display:flex;align-items:center;gap:4px}.content-card-actions{position:absolute;bottom:4px;right:4px;display:flex;gap:4px}.content-card-actions .btn-icon{width:32px;height:32px;background:#000c;color:#fff;font-size:14px}.content-card-actions .btn-icon.active{color:var(--danger)}.content-card-body{flex:1;display:flex;flex-direction:column;justify-content:center;min-width:0}.content-card-title{font-size:15px;font-weight:600;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.3}.content-card-desc{font-size:13px;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}.content-grid{display:flex;flex-direction:column;gap:12px}.loading,.loading-screen{display:flex;align-items:center;justify-content:center;min-height:200px;flex-direction:column;gap:12px;color:var(--text-secondary)}.loading-screen{width:100%;height:100vh;background:linear-gradient(135deg,#1a0b2e,#16213e,#0f3460);position:fixed;top:0;left:0;z-index:9999}.loading-content{display:flex;flex-direction:column;align-items:center;gap:20px}.loading-avatar-container{position:relative;width:120px;height:120px;display:flex;align-items:center;justify-content:center}.loading-avatar-wrapper{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center}.loading-avatar{width:80px;height:80px;border-radius:50%;object-fit:cover;border:3px solid var(--accent);z-index:2;box-shadow:0 0 20px #a855f780}.loading-ring{position:absolute;width:100px;height:100px;border:3px solid transparent;border-top-color:var(--accent);border-radius:50%;animation:spin-ring 1.2s linear infinite;opacity:.8}.loading-ring-2{width:110px;height:110px;border-top-color:var(--accent-light);animation:spin-ring 1.5s linear infinite reverse;opacity:.6}.loading-ring-3{width:120px;height:120px;border-top-color:var(--accent-dark);animation:spin-ring 2s linear infinite;opacity:.4}@keyframes spin-ring{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-logo-fallback{width:80px;height:80px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-light) 100%);border-radius:50%;font-size:40px;color:#fff;box-shadow:0 0 30px #a855f799;animation:pulse-logo 1.5s ease-in-out infinite}@keyframes pulse-logo{0%,to{transform:scale(1);box-shadow:0 0 30px #a855f799}50%{transform:scale(1.1);box-shadow:0 0 50px #a855f7e6}}.loading-dots{display:flex;gap:8px;align-items:center}.loading-dots .dot{width:10px;height:10px;background:var(--accent);border-radius:50%;animation:bounce-dot 1.4s infinite ease-in-out}.loading-dots .dot:nth-child(1){animation-delay:-.32s}.loading-dots .dot:nth-child(2){animation-delay:-.16s}@keyframes bounce-dot{0%,80%,to{transform:scale(0);opacity:.5}40%{transform:scale(1);opacity:1}}.loading-text{font-size:18px;color:var(--text-primary);font-weight:600;letter-spacing:2px;text-transform:uppercase}.spinner{width:40px;height:40px;border:3px solid rgba(168,85,247,.2);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}.spinner.small{width:20px;height:20px;border-width:2px}@keyframes spin{to{transform:rotate(360deg)}}.loading-more{display:flex;justify-content:center;padding:20px}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 20px;color:var(--text-secondary)}.empty-state i{font-size:48px;margin-bottom:16px;opacity:.5}.empty-state p{font-size:16px;margin-bottom:8px}.empty-state .hint{font-size:14px;color:var(--text-muted)}.empty-state .btn{margin-top:16px}.profile-page{padding-bottom:100px}.profile-page .user-card{display:flex;align-items:center;gap:16px;margin-bottom:16px;padding:16px;background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border)}.profile-avatar{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-dark));display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;color:#fff;overflow:hidden;flex-shrink:0}.profile-avatar img{width:100%;height:100%;object-fit:cover}.profile-info h2{font-size:20px;font-weight:700;margin-bottom:4px}.profile-info p{font-size:14px;color:var(--text-secondary)}.profile-info p.username{margin-top:4px}.info-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:16px;border:1px solid var(--border);margin-bottom:16px}.info-card .card-header{display:flex;align-items:center;gap:10px;margin-bottom:16px}.info-card .card-header i{font-size:18px;color:var(--accent)}.info-card .card-header h3{font-size:16px;font-weight:600;margin:0}.info-list{display:flex;flex-direction:column;gap:12px}.info-row{display:flex;justify-content:space-between;align-items:center}.info-row .label{font-size:14px;color:var(--text-secondary)}.info-row .value{font-size:14px;font-weight:600;color:var(--text-primary)}.info-row .value.highlight{color:var(--accent)}.info-row .value.warning{color:var(--warning)}.btn.full-width{width:100%;margin-top:12px}.profile-section{margin-bottom:24px}.profile-section h3{font-size:16px;font-weight:600;margin-bottom:12px;color:var(--text-secondary)}.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.info-item{background:var(--bg-card);border-radius:var(--radius-md);padding:12px;border:1px solid var(--border)}.info-item .label{font-size:12px;color:var(--text-muted);margin-bottom:4px}.info-item .value{font-size:16px;font-weight:600}.subscription-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:16px;border:1px solid var(--border)}.subscription-card.active{border-color:var(--success);background:linear-gradient(135deg,rgba(34,197,94,.1),transparent)}.subscription-card.expired{border-color:var(--danger);background:linear-gradient(135deg,rgba(239,68,68,.1),transparent)}.subscription-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.subscription-status{display:flex;align-items:center;gap:8px;font-weight:600}.subscription-status i{font-size:20px}.subscription-status.active{color:var(--success)}.subscription-status.expired{color:var(--danger)}.subscription-date{font-size:14px;color:var(--text-secondary)}.referrals-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:16px;border:1px solid var(--border)}.referrals-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.referrals-count{display:flex;align-items:center;gap:8px}.referrals-count i{font-size:24px;color:var(--accent)}.referrals-count .number{font-size:28px;font-weight:700}.referrals-count 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.stat{flex:1;text-align:center;padding:12px;background:var(--bg-secondary);border-radius:var(--radius-md)}.stat-value{display:block;font-size:24px;font-weight:700;color:var(--text-primary)}.stat-value.success{color:var(--success)}.stat-value.primary{color:var(--accent)}.stat-label{display:block;font-size:12px;color:var(--text-muted);margin-top:4px}.referral-link-box{margin-top:12px}.referral-input{width:100%;padding:12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:13px;margin-bottom:12px}.referral-actions{display:flex;gap:8px}.referral-actions .btn{flex:1}.referral-list h4{font-size:14px;font-weight:600;margin:16px 0 12px;color:var(--text-secondary)}.referral-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background:var(--bg-secondary);border-radius:var(--radius-md);margin-bottom:8px}.ref-name{font-size:14px;font-weight:500}.ref-status{font-size:12px;color:var(--text-muted)}.ref-status.active{color:var(--success)}.mb-2{margin-bottom:8px}.btn-success{background:var(--success);color:#fff}.announcements-section{margin-bottom:24px}.section-title{font-size:18px;font-weight:600;margin-bottom:12px}.announcement-card{background:linear-gradient(135deg,var(--accent-dark),var(--accent));border-radius:var(--radius-lg);padding:16px;color:#fff;margin-bottom:12px}.announcement-card h4{font-size:16px;font-weight:600;margin-bottom:8px}.announcement-card p{font-size:14px;opacity:.9}.content-detail-page .content-media{margin:-16px -16px 16px}.video-container{background:#000;aspect-ratio:16 / 9}.video-player{width:100%;height:100%}.audio-container{background:var(--bg-secondary);padding:24px}.audio-cover{width:150px;height:150px;margin:0 auto 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12px;border-radius:var(--radius-sm);font-size:12px;color:var(--text-secondary);text-transform:capitalize}.content-actions{display:flex;gap:4px}.content-title{font-size:22px;font-weight:700;margin-bottom:12px}.content-description{font-size:15px;color:var(--text-secondary);margin-bottom:16px;line-height:1.6}.article-text{font-size:15px;line-height:1.7;white-space:pre-wrap}.meeting-info{margin:16px 0}.meeting-info p{display:flex;align-items:center;gap:8px;margin-bottom:12px;color:var(--text-secondary)}.content-meta{display:flex;gap:16px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}.meta-item{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--text-muted)}.btn-filter{width:40px;height:40px;border:none;background:var(--bg-card);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;position:relative}.btn-filter.active{color:var(--accent)}.filter-badge{position:absolute;top:6px;right:6px;width:8px;height:8px;background:var(--accent);border-radius:50%}.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.filter-chip{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-secondary);font-size:13px;cursor:pointer}.filter-chip.active{background:var(--accent);border-color:var(--accent);color:#fff}.active-filter{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;padding:8px 12px;background:#a855f71a;border-radius:var(--radius-md);font-size:14px}.active-filter i{color:var(--accent)}.clear-filter{width:24px;height:24px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center}.favorites-stats{text-align:center;padding:16px;font-size:14px;color:var(--text-muted)}.end-message{text-align:center;padding:20px;color:var(--text-muted);font-size:14px}.create-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group>label{font-size:14px;font-weight:500;color:var(--text-secondary)}.form-input,.form-textarea{width:100%;padding:12px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:15px;font-family:inherit}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--accent)}.form-textarea{resize:vertical;min-height:100px}.type-selector{display:flex;flex-wrap:wrap;gap:8px}.type-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;min-width:70px}.type-btn i{font-size:20px}.type-btn span{font-size:11px}.type-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.thumbnail-upload{width:100%;aspect-ratio:16 / 9;background:var(--bg-card);border:2px dashed var(--border);border-radius:var(--radius-lg);cursor:pointer;overflow:hidden;display:flex;align-items:center;justify-content:center}.thumbnail-upload img{width:100%;height:100%;object-fit:cover}.upload-placeholder{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--text-muted)}.upload-placeholder i{font-size:32px}.file-name{font-size:13px;color:var(--text-secondary);margin-top:4px}.checkbox-group{flex-direction:row;align-items:center}.checkbox-label{display:flex;align-items:center;gap:12px;cursor:pointer;font-size:14px}.checkbox-label input[type=checkbox]{width:20px;height:20px;accent-color:var(--accent)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;z-index:200;display:flex;align-items:flex-end;justify-content:center}.modal{width:100%;max-width:500px;max-height:80vh;background:var(--bg-secondary);border-radius:var(--radius-xl) var(--radius-xl) 0 0;overflow:hidden;display:flex;flex-direction:column}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--border)}.modal-header h3{font-size:18px;font-weight:600;margin:0}.close-btn{width:32px;height:32px;border:none;background:var(--bg-elevated);color:var(--text-secondary);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center}.modal-body{flex:1;overflow-y:auto;padding:16px}.share-option{display:flex;align-items:center;gap:12px;width:100%;padding:16px;background:var(--bg-card);border:none;border-radius:var(--radius-md);color:var(--text-primary);font-size:15px;cursor:pointer;margin-bottom:8px}.share-option i{font-size:20px;color:var(--accent)}.plans-list{display:flex;flex-direction:column;gap:12px}.plan-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;display:flex;align-items:center;gap:12px;margin-bottom:12px}.plan-card.selected{border-color:var(--accent);background:#a855f71a}.plan-info{flex:1}.plan-info h4{font-size:16px;font-weight:600;margin:0 0 4px}.plan-info p{font-size:13px;color:var(--text-secondary);margin:0}.plan-price{text-align:right}.plan-price .price{display:block;font-size:18px;font-weight:700;color:var(--accent)}.plan-price .duration{display:block;font-size:12px;color:var(--text-muted)}.plan-card .btn{flex-shrink:0}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-accent{color:var(--accent)}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}