*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
    --bg:#ffffff;--bg-secondary:#fafafa;--bg-elevated:#ffffff;
    --text:#262626;--text-secondary:#8e8e8e;--text-link:#00376b;
    --border:#dbdbdb;--border-light:#efefef;
    --accent:#0095f6;--accent-hover:#1877f2;
    --red:#ed4956;--green:#00c853;
    --header-h:60px;--mobile-nav-h:50px;
    --max-w:935px;
    --font:-apple-system,BlinkMacSystemFont,'Inter','Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
html{font-size:14px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg-secondary);color:var(--text);line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:none;background:none}
input,textarea,select{font:inherit;border:1px solid var(--border);border-radius:6px;padding:9px 12px;width:100%;background:var(--bg-secondary);transition:border-color .2s}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent)}
textarea{resize:vertical}
::selection{background:var(--accent);color:#fff}

.app{min-height:100vh;padding-bottom:var(--mobile-nav-h)}
@media(min-width:768px){.app{padding-bottom:0}}

/* HEADER */
.app-header{position:sticky;top:0;z-index:100;background:var(--bg);border-bottom:1px solid var(--border);height:var(--header-h)}
.header-inner{max-width:var(--max-w);margin:0 auto;padding:0 20px;height:100%;display:flex;align-items:center;justify-content:space-between}
.header-logo{font-size:1.6rem;font-weight:700;letter-spacing:-0.5px}
.header-nav{display:flex;align-items:center;gap:16px}
.header-btn{display:flex;align-items:center;color:var(--text);opacity:0.8;transition:opacity .2s}
.header-btn:hover{opacity:1}
.header-btn-text{font-weight:600;color:var(--accent);font-size:0.95rem}

/* MOBILE NAV */
.mobile-nav{position:fixed;bottom:0;left:0;right:0;height:var(--mobile-nav-h);background:var(--bg);border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-around;z-index:100;padding-bottom:env(safe-area-inset-bottom)}
.mobile-nav a{display:flex;align-items:center;justify-content:center;width:44px;height:44px;color:var(--text);opacity:0.6;transition:opacity .2s}
.mobile-nav a.active{opacity:1}
@media(min-width:768px){.mobile-nav{display:none}}

/* PROFILE */
.profile-container{max-width:var(--max-w);margin:0 auto;padding:30px 20px 20px}
.profile-header{display:none;align-items:flex-start;gap:30px;margin-bottom:20px}
@media(min-width:768px){.profile-header{display:flex}}
.profile-avatar-wrap{flex-shrink:0}
.profile-avatar-ring{width:150px;height:150px;border-radius:50%;padding:3px;background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888);display:flex;align-items:center;justify-content:center}
.profile-avatar{width:100%;height:100%;border-radius:50%;object-fit:cover;border:4px solid var(--bg)}
.profile-info{flex:1;padding-top:10px}
.profile-username-row{display:flex;align-items:center;gap:8px;margin-bottom:20px}
.profile-username{font-size:1.4rem;font-weight:400}
.verified-badge{flex-shrink:0}
.profile-stats{display:flex;gap:30px;margin-bottom:20px}
.profile-stat{font-size:1rem}
.stat-number{font-weight:600}
.profile-bio .profile-display-name{font-weight:600;margin-bottom:2px}
.profile-bio p{color:var(--text);white-space:pre-line}

/* Mobile profile */
.profile-mobile-stats{display:flex;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:12px 0;margin:0 -20px;padding-left:20px;padding-right:20px}
@media(min-width:768px){.profile-mobile-stats{display:none}}
.profile-mobile-stats .profile-stat{flex:1;text-align:center;display:flex;flex-direction:column;font-size:0.85rem}
.profile-mobile-stats .stat-number{font-weight:600;font-size:1.05rem}
.profile-mobile-stats .stat-label{color:var(--text-secondary);font-size:0.75rem}
.profile-mobile-bio{padding:12px 0;display:block}
@media(min-width:768px){.profile-mobile-bio{display:none}}
.profile-mobile-bio .profile-display-name{font-weight:600;font-size:0.95rem}
.profile-mobile-bio p{font-size:0.9rem}

/* Mobile profile layout */
@media(max-width:767px){
    .profile-container{padding-top:16px}
    .profile-header{display:flex !important;align-items:center;gap:20px;margin-bottom:12px}
    .profile-avatar-ring{width:77px;height:77px}
    .profile-avatar{border-width:3px}
    .profile-info{padding-top:0}
    .profile-username-row{margin-bottom:4px}
    .profile-username{font-size:1.2rem}
    .profile-stats{display:none}
    .profile-bio{display:none}
}

/* TABS */
.profile-tabs{display:flex;justify-content:center;border-top:1px solid var(--border);margin:0 -20px}
.profile-tab{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:16px 0;color:var(--text-secondary);font-size:0.75rem;font-weight:600;letter-spacing:1px;border-top:1px solid transparent;margin-top:-1px;transition:all .2s}
.profile-tab.active{color:var(--text);border-top-color:var(--text)}

/* VIDEO GRID */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:3px;margin:3px -20px 0}
@media(min-width:768px){.video-grid{margin:3px 0 0;gap:4px}}
.video-card{position:relative;display:block;aspect-ratio:1;overflow:hidden;background:#000}
.video-card-thumb{width:100%;height:100%;position:relative}
.video-card-thumb img{width:100%;height:100%;object-fit:cover}
.video-card-placeholder{width:100%;height:100%;background:#1a1a1a;display:flex;align-items:center;justify-content:center}
.video-card-overlay{position:absolute;inset:0;background:rgba(0,0,0,0.15);display:flex;align-items:center;justify-content:center;transition:all .2s}
.video-card-overlay .play-circle{width:50px;height:50px;background:rgba(0,0,0,0.55);border-radius:50%;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(2px);transition:transform .2s,background .2s}
.video-card:hover .video-card-overlay{background:rgba(0,0,0,0.3)}
.video-card:hover .play-circle{transform:scale(1.1);background:rgba(0,0,0,0.7)}
.video-card-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;font-size:0.7rem;font-weight:600;padding:2px 6px;border-radius:3px}
.video-card-stats{position:absolute;bottom:8px;left:8px;display:flex;gap:10px;color:#fff;font-size:0.75rem;font-weight:600;text-shadow:0 1px 2px rgba(0,0,0,0.5);opacity:0;transition:opacity .2s}
.video-card:hover .video-card-stats{opacity:1}
.video-card-stats span{display:flex;align-items:center;gap:4px}

.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}
.empty-state svg{margin:0 auto 20px}
.empty-state h3{font-size:1.2rem;color:var(--text);margin-bottom:8px}

.load-more-wrap{text-align:center;padding:30px 20px}
.load-more-btn{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:10px 40px;font-weight:600;color:var(--accent);transition:all .2s}
.load-more-btn:hover{background:var(--bg-secondary)}
.load-more-spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* PAGINATION */
.pagination{display:flex;align-items:center;justify-content:center;gap:16px;padding:24px 16px 32px}
.pagination-btn{display:inline-flex;align-items:center;gap:4px;padding:10px 20px;border:1px solid var(--border);border-radius:8px;font-weight:600;font-size:0.9rem;color:var(--accent);background:var(--bg);transition:all .2s;text-decoration:none}
.pagination-btn:hover{background:var(--bg-secondary);border-color:var(--accent)}
.pagination-disabled{opacity:0.35;pointer-events:none;color:var(--text-secondary)}
.pagination-info{font-size:0.85rem;color:var(--text-secondary);font-weight:500}

/* AUTH */
.auth-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;background:var(--bg-secondary)}
.auth-box{background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:30px 40px;width:100%;max-width:350px;text-align:center}
.auth-box+.auth-box{margin-top:10px;padding:20px 40px}
.auth-logo h1{font-size:2.2rem;font-weight:700;margin-bottom:10px;letter-spacing:-1px}
.auth-subtitle{color:var(--text-secondary);font-weight:600;font-size:1.05rem;margin-bottom:16px;line-height:1.4}
.auth-error{background:#fff0f0;border:1px solid #ffcdd2;color:#c62828;border-radius:6px;padding:10px;margin-bottom:16px;font-size:0.9rem}
.auth-form .form-group{margin-bottom:8px}
.auth-form input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:4px;background:var(--bg-secondary);font-size:0.85rem}
.auth-submit{width:100%;padding:10px;border-radius:8px;background:var(--accent);color:#fff;font-weight:600;font-size:0.95rem;border:none;margin-top:12px;transition:background .2s}
.auth-submit:hover{background:var(--accent-hover)}
.auth-switch p{font-size:0.9rem;color:var(--text)}
.auth-switch a{color:var(--accent);font-weight:600}
.auth-footer{margin-top:20px}
.auth-footer a{color:var(--text-secondary);font-size:0.85rem}

/* VIDEO PAGE */
.video-page{max-width:700px;margin:0 auto;background:var(--bg)}
.video-player-wrap{position:relative;width:100%;background:#000}
.video-player{position:relative;width:100%;aspect-ratio:16/9;background:#000;cursor:pointer;overflow:hidden}
.video-player video{width:100%;height:100%;object-fit:contain}
.player-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:2;transition:opacity .3s}
.player-overlay.hidden{opacity:0;pointer-events:none}
.play-btn-big{background:none;border:none;cursor:pointer;transition:transform .2s}
.play-btn-big:hover{transform:scale(1.1)}
.player-controls{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(0,0,0,0.7));padding:0 12px 8px;z-index:3;opacity:0;transition:opacity .3s}
.video-player:hover .player-controls{opacity:1}
.progress-bar{position:relative;height:4px;background:rgba(255,255,255,0.2);border-radius:2px;cursor:pointer;margin-bottom:8px;transition:height .1s}
.progress-bar:hover{height:6px}
.progress-buffered{position:absolute;height:100%;background:rgba(255,255,255,0.3);border-radius:2px}
.progress-played{position:absolute;height:100%;background:var(--red);border-radius:2px}
.progress-handle{position:absolute;top:50%;width:14px;height:14px;background:var(--red);border-radius:50%;transform:translate(-50%,-50%);opacity:0;transition:opacity .2s}
.progress-bar:hover .progress-handle{opacity:1}
.controls-row{display:flex;align-items:center;justify-content:space-between}
.controls-left,.controls-right{display:flex;align-items:center;gap:8px}
.ctrl-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;color:white;opacity:0.9;transition:opacity .2s}
.ctrl-btn:hover{opacity:1}
.volume-control{display:flex;align-items:center;gap:4px}
.volume-slider{width:0;opacity:0;transition:width .2s,opacity .2s;-webkit-appearance:none;height:3px;background:rgba(255,255,255,0.3);border:none;border-radius:2px;padding:0}
.volume-control:hover .volume-slider{width:60px;opacity:1}
.volume-slider::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;background:white;border-radius:50%;cursor:pointer}
.time-display{color:rgba(255,255,255,0.9);font-size:0.75rem;font-variant-numeric:tabular-nums;white-space:nowrap}

/* VIDEO INFO */
.video-info{padding:12px 16px}
.video-actions{display:flex;gap:16px;padding:4px 0;border-bottom:1px solid var(--border-light);margin-bottom:12px}
.action-btn{display:flex;align-items:center;gap:6px;padding:8px 0;color:var(--text);font-size:0.9rem;font-weight:600;transition:transform .15s}
.action-btn:active{transform:scale(0.9)}
.like-btn.liked{color:var(--red)}
.video-meta{display:flex;gap:8px;font-size:0.85rem;color:var(--text-secondary);margin-bottom:8px}
.video-title{font-size:1rem;font-weight:600;margin-bottom:6px}
.video-description{font-size:0.9rem;color:var(--text-secondary);margin-bottom:16px;white-space:pre-line}
.video-author{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--border-light)}
.author-avatar{width:40px;height:40px;border-radius:50%;object-fit:cover}
.author-info{display:flex;flex-direction:column}
.author-name{font-weight:600;font-size:0.9rem}
.author-subs{font-size:0.8rem;color:var(--text-secondary)}

/* COMMENTS */
.comments-section{padding:0 16px 100px}
.comments-title{font-size:0.95rem;font-weight:600;margin-bottom:16px}
.comment-form{display:flex;align-items:center;gap:10px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border-light)}
.comment-form .comment-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;flex-shrink:0}
.comment-form input{flex:1;border:none;background:none;padding:8px 0;font-size:0.9rem}
.comment-form input:focus{outline:none}
.comment-submit{opacity:0.5;transition:opacity .2s}
.comment-submit:not(:disabled){opacity:1}
.comments-login{text-align:center;color:var(--text-secondary);padding:16px 0}
.comments-login a{color:var(--accent);font-weight:600}
.comment{display:flex;gap:10px;margin-bottom:16px}
.comment .comment-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;flex-shrink:0}
.comment-body{flex:1}
.comment-author{font-weight:600;font-size:0.85rem;margin-right:6px}
.comment-text{font-size:0.9rem;word-break:break-word}
.comment-time{display:block;font-size:0.75rem;color:var(--text-secondary);margin-top:4px}

/* 404 */
.error-page{display:flex;align-items:center;justify-content:center;min-height:60vh;text-align:center}
.error-content h1{font-size:4rem;font-weight:300;color:var(--text-secondary)}
.error-content p{font-size:1.1rem;color:var(--text-secondary);margin:8px 0 24px}
.error-link{display:inline-block;padding:10px 24px;background:var(--accent);color:#fff;border-radius:8px;font-weight:600}

/* ADMIN LAYOUT */
.admin-layout{display:flex;min-height:100vh}
.admin-sidebar{width:240px;background:var(--bg);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:50}
.admin-logo{display:flex;align-items:center;gap:10px;padding:20px 16px;font-weight:700;font-size:1.1rem;border-bottom:1px solid var(--border-light)}
.admin-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:2px}
.admin-nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;font-size:0.9rem;font-weight:500;color:var(--text-secondary);transition:all .2s}
.admin-nav a:hover{background:var(--bg-secondary);color:var(--text)}
.admin-nav a.active{background:var(--bg-secondary);color:var(--text);font-weight:600}
.admin-sidebar-bottom{padding:16px;border-top:1px solid var(--border-light)}
.admin-sidebar-bottom a{font-size:0.85rem;color:var(--text-secondary)}
.admin-main{flex:1;margin-left:240px;padding:24px 32px;background:var(--bg-secondary);min-height:100vh}

@media(max-width:768px){
    .admin-sidebar{width:100%;position:relative;flex-direction:row;height:56px;border-right:none;border-bottom:1px solid var(--border)}
    .admin-logo{padding:0 16px;border-bottom:none}
    .admin-logo span{display:none}
    .admin-nav{flex-direction:row;padding:0 8px;overflow-x:auto;gap:0}
    .admin-nav a{white-space:nowrap;padding:8px 12px;font-size:0.8rem}
    .admin-nav a svg{display:none}
    .admin-sidebar-bottom{display:none}
    .admin-layout{flex-direction:column}
    .admin-main{margin-left:0;padding:16px}
}

/* ADMIN COMPONENTS */
.admin-page{max-width:1000px}
.admin-title{font-size:1.5rem;font-weight:700;margin-bottom:24px}
.admin-title .badge{font-size:0.8rem;background:var(--bg-secondary);border:1px solid var(--border);padding:2px 10px;border-radius:20px;font-weight:500;vertical-align:middle}
.admin-page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}
.admin-page-header .admin-title{margin-bottom:0}
.admin-desc{color:var(--text-secondary);margin:-16px 0 24px;font-size:0.95rem}
.admin-section{margin-bottom:24px}
.admin-section h2{font-size:1.1rem;font-weight:600;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--border-light)}
.admin-empty{text-align:center;padding:40px;color:var(--text-secondary)}
.admin-empty a{color:var(--accent);font-weight:600}

.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:32px}
.stat-card{background:var(--bg);border:1px solid var(--border-light);border-radius:12px;padding:20px;display:flex;align-items:center;gap:16px}
.stat-card-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.stat-card-value{font-size:1.5rem;font-weight:700;display:block}
.stat-card-label{font-size:0.8rem;color:var(--text-secondary)}

.quick-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.quick-btn{display:flex;align-items:center;gap:8px;padding:14px 16px;background:var(--bg);border:1px solid var(--border-light);border-radius:10px;font-weight:500;font-size:0.9rem;transition:all .2s}
.quick-btn:hover{border-color:var(--accent);color:var(--accent)}

/* ADMIN TABLE */
.admin-table-wrap{overflow-x:auto;background:var(--bg);border:1px solid var(--border-light);border-radius:12px}
.admin-table{width:100%;border-collapse:collapse}
.admin-table th{text-align:left;padding:12px 16px;font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-secondary);border-bottom:1px solid var(--border-light);white-space:nowrap}
.admin-table td{padding:12px 16px;border-bottom:1px solid var(--border-light);font-size:0.9rem;vertical-align:middle}
.admin-table tr:last-child td{border-bottom:none}
.admin-table tr:hover td{background:var(--bg-secondary)}
.table-thumb{width:50px;height:50px;border-radius:6px;overflow:hidden;background:#f0f0f0}
.table-thumb img{width:100%;height:100%;object-fit:cover}
.table-thumb-empty{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--text-secondary)}
.table-title{font-weight:600;font-size:0.9rem}
.table-subtitle{font-size:0.75rem;color:var(--text-secondary);margin-top:2px}
.table-actions{display:flex;gap:6px;white-space:nowrap}

.status-badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:0.75rem;font-weight:600}
.status-active{background:#e8f5e9;color:#2e7d32}
.status-inactive{background:#fce4ec;color:#c62828}
.role-badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:0.75rem;font-weight:600}
.role-admin{background:#e3f2fd;color:#1565c0}
.role-user{background:#f5f5f5;color:#757575}

/* ADMIN FORM */
.admin-form{max-width:600px}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-weight:600;font-size:0.85rem;margin-bottom:6px;color:var(--text)}
.form-row small{display:block;margin-top:4px;font-size:0.78rem;color:var(--text-secondary)}
.form-row code{background:var(--bg-secondary);padding:2px 6px;border-radius:3px;font-size:0.8rem}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:500px){.form-grid-2{grid-template-columns:1fr}}
.form-checkboxes{display:flex;flex-direction:column;gap:8px}
.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:0.9rem}
.checkbox-label input[type="checkbox"]{width:auto;margin:0}
.form-actions{display:flex;gap:12px;margin-top:24px}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;font-weight:600;font-size:0.85rem;transition:all .2s;border:1px solid transparent;cursor:pointer;text-decoration:none}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-hover)}
.btn-outline{background:var(--bg);border-color:var(--border);color:var(--text)}
.btn-outline:hover{background:var(--bg-secondary)}
.btn-danger{background:var(--red);color:#fff;border-color:var(--red)}
.btn-danger:hover{opacity:0.9}
.btn-sm{padding:5px 12px;font-size:0.78rem;border-radius:6px}

/* ALERTS */
.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:0.9rem;font-weight:500}
.alert-success{background:#e8f5e9;color:#2e7d32;border:1px solid #c8e6c9}
.alert-error{background:#fce4ec;color:#c62828;border:1px solid #f8bbd0}

/* CLONE */
.clone-output{background:var(--bg);border:1px solid var(--border-light);border-radius:8px;padding:16px;margin-bottom:24px}
.clone-output pre{font-family:monospace;font-size:0.8rem;white-space:pre-wrap;color:var(--text-secondary)}
.projects-list{display:flex;flex-direction:column;gap:6px}
.project-item{display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--bg);border:1px solid var(--border-light);border-radius:8px;font-size:0.9rem}
.badge-current{background:var(--accent);color:#fff;font-size:0.7rem;padding:1px 8px;border-radius:10px;margin-left:auto}

/* SCROLLBAR */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}

/* SEO FOOTER */
.seo-footer{background:var(--bg);border-top:1px solid var(--border);padding:32px 20px 100px;margin-top:20px}
@media(min-width:768px){.seo-footer{padding-bottom:40px}}
.seo-content{max-width:var(--max-w);margin:0 auto}
.seo-content h2{font-size:1rem;font-weight:600;margin-bottom:12px;color:var(--text)}
.seo-content p{font-size:.8rem;line-height:1.7;color:var(--text-secondary);margin-bottom:10px}
.seo-content p:last-child{margin-bottom:0}

/* ANIMATIONS */
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.video-card{animation:fadeIn .3s ease both}
.video-card:nth-child(n+4){animation-delay:.1s}
.video-card:nth-child(n+7){animation-delay:.2s}