/* ── YouTube Custom Video Player — CSS ── */
:root{
  --bg:#0f0f14;--bg-card:#1e1e28;--bg-surface:#18181f;
  --primary:#ff0000;--secondary:#cc0000;--accent:#ff4444;
  --text:#e8e8f0;--text-muted:#9999b8;--text-faint:#555570;
  --border:rgba(255,255,255,.08);
  --radius:14px;--radius-sm:8px;
  --font:'Inter',system-ui,sans-serif;
  --ctrl-h:52px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
code{font-family:monospace;font-size:.85em;background:rgba(255,0,0,.1);color:#ff6666;padding:2px 6px;border-radius:4px}

/* ── Header ── */
.site-header{background:rgba(15,15,20,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:200;padding:0 24px;height:58px;display:flex;align-items:center}
.header-inner{width:100%;max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none}
.logo-icon{width:32px;height:32px;flex-shrink:0}
.logo-text{font-size:.97rem;font-weight:700;color:var(--text);letter-spacing:-.01em}
.main-nav{display:flex;gap:6px}
.nav-link{padding:5px 12px;border-radius:var(--radius-sm);font-size:.84rem;font-weight:500;color:var(--text-muted);text-decoration:none;transition:color .15s,background .15s}
.nav-link:hover,.nav-link.active{color:var(--text);background:rgba(255,255,255,.06)}

/* ── Wrap ── */
.main-wrap{max-width:1000px;margin:0 auto;padding:28px 24px 80px}
@media(max-width:640px){.main-wrap{padding:18px 14px 60px}}

/* ── Hero ── */
.tool-hero{text-align:center;padding:24px 0 20px}
.tool-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;background:rgba(255,0,0,.1);color:var(--primary);border-radius:20px;font-size:.73rem;font-weight:600;margin-bottom:12px}
.tool-title{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
.gradient-title{background:linear-gradient(135deg,var(--primary),#ff8800);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.tool-subtitle{font-size:.97rem;color:var(--text-muted);max-width:600px;margin:0 auto}

.ad-slot{background:rgba(255,255,255,.02);border:1px dashed rgba(255,255,255,.07);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;min-height:90px;font-size:.75rem;color:var(--text-faint);text-align:center;padding:12px;margin-bottom:20px}

/* ── URL input card ── */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:20px}
.card-header{padding:12px 18px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.02);display:flex;align-items:center;gap:8px}
.card-icon{width:28px;height:28px;border-radius:7px;background:rgba(255,0,0,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.card-icon svg{width:13px;height:13px;color:var(--primary)}
.card-title{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint)}
.card-body{padding:18px}

.url-row{display:flex;gap:10px}
@media(max-width:560px){.url-row{flex-direction:column}}
.url-input{flex:1;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:11px 14px;color:var(--text);font-size:.93rem;outline:none;transition:border-color .15s;font-family:var(--font)}
.url-input:focus{border-color:var(--primary)}
.url-input::placeholder{color:var(--text-faint)}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 22px;border-radius:var(--radius-sm);background:var(--primary);color:#fff;font-weight:700;font-size:.9rem;border:none;cursor:pointer;transition:background .15s;white-space:nowrap}
.btn-primary:hover{background:var(--secondary)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 14px;border-radius:var(--radius-sm);background:transparent;color:var(--text-muted);font-size:.82rem;font-weight:600;border:1px solid var(--border);cursor:pointer;transition:border-color .15s,color .15s;white-space:nowrap}
.btn-outline:hover{border-color:var(--primary);color:var(--text)}

/* ── Player shell ── */
.player-shell{background:#000;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);position:relative;margin-bottom:20px}

/* IFrame wrapper — keeps 16:9 */
.iframe-wrap{position:relative;width:100%;padding-top:56.25%;background:#000;overflow:hidden}
.iframe-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:none;pointer-events:none}/* pointer-events:none lets our overlay intercept clicks */

/* Big play overlay (shown when paused / not started) */
.big-play-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.35);cursor:pointer;transition:background .2s;z-index:10}
.big-play-overlay:hover{background:rgba(0,0,0,.5)}
.big-play-btn{width:72px;height:72px;border-radius:50%;background:rgba(255,0,0,.9);display:flex;align-items:center;justify-content:center;transition:transform .15s,background .15s;flex-shrink:0}
.big-play-btn:hover{transform:scale(1.08);background:#ff0000}
.big-play-btn svg{width:28px;height:28px;fill:#fff;margin-left:4px}
.big-play-overlay.hidden{display:none}

/* ── Controls bar ── */
.controls{background:linear-gradient(0deg,rgba(0,0,0,.92) 0%,rgba(0,0,0,.7) 70%,transparent 100%);padding:10px 16px 14px;position:relative}

/* Progress / seek */
.seek-wrap{position:relative;height:16px;display:flex;align-items:center;margin-bottom:8px;cursor:pointer;-webkit-user-select:none;user-select:none}
.seek-track{position:absolute;left:0;right:0;height:4px;background:rgba(255,255,255,.2);border-radius:2px;pointer-events:none;transition:height .1s}
.seek-buffer{position:absolute;left:0;height:4px;background:rgba(255,255,255,.3);border-radius:2px;pointer-events:none;transition:width .3s linear}
.seek-fill{position:absolute;left:0;height:4px;background:var(--primary);border-radius:2px;pointer-events:none}
.seek-thumb{position:absolute;top:50%;transform:translate(-50%,-50%);width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 0 4px rgba(0,0,0,.6);pointer-events:none;opacity:0;transition:opacity .15s}
.seek-wrap:hover .seek-track{height:6px}
.seek-wrap:hover .seek-buffer{height:6px}
.seek-wrap:hover .seek-fill{height:6px}
.seek-wrap:hover .seek-thumb{opacity:1}

/* Tooltip on seek hover */
.seek-tooltip{position:absolute;bottom:calc(100% + 6px);background:rgba(0,0,0,.85);color:#fff;font-size:.7rem;font-weight:600;padding:3px 7px;border-radius:5px;pointer-events:none;white-space:nowrap;transform:translateX(-50%);display:none}
.seek-wrap:hover .seek-tooltip{display:block}

/* Control row */
.ctrl-row{display:flex;align-items:center;gap:6px}
.ctrl-left{display:flex;align-items:center;gap:4px;flex:1;min-width:0}
.ctrl-right{display:flex;align-items:center;gap:6px}

/* Icon buttons */
.ctrl-btn{width:36px;height:36px;border-radius:50%;background:transparent;border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s;flex-shrink:0}
.ctrl-btn:hover{background:rgba(255,255,255,.12)}
.ctrl-btn svg{width:18px;height:18px;fill:currentColor;pointer-events:none}
.ctrl-btn.active svg{fill:var(--primary)}

/* Time display */
.time-display{font-size:.78rem;font-weight:600;color:rgba(255,255,255,.85);letter-spacing:.02em;white-space:nowrap;padding:0 4px;flex-shrink:0}
.time-sep{opacity:.5;margin:0 2px}

/* Volume group */
.vol-group{display:flex;align-items:center;gap:6px;position:relative}
.vol-slider{-webkit-appearance:none;appearance:none;width:72px;height:4px;border-radius:2px;background:rgba(255,255,255,.25);outline:none;cursor:pointer;accent-color:var(--primary)}
.vol-slider::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border-radius:50%;background:#fff;cursor:pointer;box-shadow:0 0 3px rgba(0,0,0,.5)}
.vol-slider::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:#fff;cursor:pointer;border:none}
@media(max-width:480px){.vol-slider{width:52px}}

/* Speed button */
.speed-btn{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:5px;color:#fff;font-size:.72rem;font-weight:700;padding:4px 8px;cursor:pointer;white-space:nowrap;transition:background .15s}
.speed-btn:hover{background:rgba(255,255,255,.2)}

/* Speed popup */
.speed-popup{position:absolute;bottom:calc(100% + 10px);right:0;background:#1e1e28;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;z-index:50;min-width:90px;display:none}
.speed-popup.open{display:block}
.speed-opt{display:block;padding:8px 14px;font-size:.8rem;font-weight:600;color:var(--text-muted);cursor:pointer;border:none;background:transparent;width:100%;text-align:left;transition:background .1s}
.speed-opt:hover,.speed-opt.active{background:rgba(255,0,0,.1);color:var(--primary)}

/* ── Theme selector ── */
.theme-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.theme-swatch{width:28px;height:28px;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:border-color .15s,transform .15s;flex-shrink:0}
.theme-swatch:hover{transform:scale(1.15)}
.theme-swatch.active{border-color:#fff}

/* ── Playlist panel ── */
.panel-grid{display:grid;grid-template-columns:1fr 280px;gap:20px;align-items:start}
@media(max-width:820px){.panel-grid{grid-template-columns:1fr}}

.playlist-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.playlist-list{max-height:380px;overflow-y:auto}
.playlist-list::-webkit-scrollbar{width:4px}
.playlist-list::-webkit-scrollbar-track{background:transparent}
.playlist-list::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:2px}
.pl-item{display:flex;align-items:center;gap:10px;padding:10px 14px;cursor:pointer;border-bottom:1px solid rgba(255,255,255,.04);transition:background .15s}
.pl-item:last-child{border-bottom:none}
.pl-item:hover{background:rgba(255,255,255,.04)}
.pl-item.active{background:rgba(255,0,0,.08);border-left:3px solid var(--primary)}
.pl-idx{font-size:.7rem;font-weight:700;color:var(--text-faint);width:18px;text-align:center;flex-shrink:0}
.pl-thumb{width:56px;height:32px;object-fit:cover;border-radius:4px;background:#111;flex-shrink:0}
.pl-info{flex:1;min-width:0}
.pl-title{font-size:.78rem;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pl-channel{font-size:.68rem;color:var(--text-faint)}
.pl-dur{font-size:.68rem;color:var(--text-faint);flex-shrink:0}
.pl-remove{background:transparent;border:none;color:var(--text-faint);cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;flex-shrink:0;opacity:0;transition:opacity .15s}
.pl-item:hover .pl-remove{opacity:1}
.pl-remove:hover{color:#f87171}

/* Add to playlist */
.add-pl-row{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--border)}
.add-pl-input{flex:1;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 10px;color:var(--text);font-size:.8rem;outline:none;transition:border-color .15s}
.add-pl-input:focus{border-color:var(--primary)}
.add-pl-input::placeholder{color:var(--text-faint)}

/* ── Keyboard shortcut chip ── */
.shortcut-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px;margin-top:12px}
.shortcut-item{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:var(--radius-sm)}
.shortcut-key{font-family:monospace;font-size:.72rem;font-weight:700;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:4px;padding:2px 7px;color:var(--text-muted)}
.shortcut-desc{font-size:.78rem;color:var(--text-muted)}

/* ── Page sections ── */
.page-section{padding:40px 0 0}
.section-head{text-align:center;margin-bottom:28px}
.section-title{font-size:clamp(1.3rem,3vw,1.7rem);font-weight:800;letter-spacing:-.02em}
.section-desc{font-size:.93rem;color:var(--text-muted);margin-top:6px}
.section-divider{height:1px;background:var(--border);margin:40px 0 0}

.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.feature-icon{font-size:1.5rem;margin-bottom:8px}
.feature-title{font-size:.9rem;font-weight:700;margin-bottom:4px}
.feature-desc{font-size:.8rem;color:var(--text-muted);line-height:1.5}

.steps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px}
.step-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;gap:14px;align-items:flex-start}
.step-number{width:32px;height:32px;border-radius:50%;background:rgba(255,0,0,.15);color:var(--primary);font-weight:800;font-size:.9rem;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.step-title{font-size:.9rem;font-weight:700;margin-bottom:4px}
.step-desc{font-size:.8rem;color:var(--text-muted);line-height:1.5}

.logic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.logic-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.logic-title{font-size:.88rem;font-weight:700;margin-bottom:6px}
.logic-desc{font-size:.8rem;color:var(--text-muted);line-height:1.55}

.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;font-size:.9rem;font-weight:600;background:none;border:none;color:var(--text);cursor:pointer;text-align:left;gap:10px}
.faq-icon{font-size:1.2rem;color:var(--text-faint);flex-shrink:0;transition:transform .2s}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:400px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a p{padding:0 18px 16px;font-size:.85rem;color:var(--text-muted);line-height:1.65}

.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.related-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:6px;text-decoration:none;transition:border-color .15s}
.related-card:hover{border-color:var(--primary);text-decoration:none}
.related-icon{width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;margin-bottom:4px}
.related-icon svg{width:17px;height:17px;color:#fff}
.related-name{font-size:.88rem;font-weight:700;color:var(--text)}
.related-desc{font-size:.77rem;color:var(--text-muted);line-height:1.4}
.related-link{font-size:.75rem;color:var(--primary);font-weight:600;margin-top:auto}

.blog-related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.blog-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:6px;text-decoration:none;transition:border-color .15s}
.blog-card:hover{border-color:var(--primary);text-decoration:none}
.blog-tag-sm{font-size:.7rem;font-weight:700;color:var(--primary)}
.blog-title-sm{font-size:.85rem;font-weight:600;color:var(--text);line-height:1.4}
.blog-link{font-size:.75rem;color:var(--primary);font-weight:600;margin-top:auto}

.site-footer{border-top:1px solid var(--border);padding:40px 24px 28px;margin-top:60px}
.footer-grid{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:28px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}
.footer-brand-text{font-size:.82rem;color:var(--text-faint);margin-top:8px;line-height:1.5}
.footer-heading{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-faint);margin-bottom:10px}
.footer-links{display:flex;flex-direction:column;gap:7px}
.footer-links a{font-size:.83rem;color:var(--text-muted)}
.footer-links a:hover{color:var(--text)}
.footer-bottom{max-width:1000px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;font-size:.75rem;color:var(--text-faint);flex-wrap:wrap;gap:8px;padding-top:16px;border-top:1px solid var(--border)}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(12px);background:#22c55e;color:#fff;padding:8px 18px;border-radius:20px;font-size:.82rem;font-weight:600;opacity:0;transition:opacity .2s,transform .2s;pointer-events:none;z-index:999;white-space:nowrap}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}