/* CodeBobby — css/tutorials.css */

/* ── NAV ── */
    
    
    
    
    
    
    .nav-links a.active{color:var(--accent)}
    
    

    /* ── PAGE HERO ── */
    .page-hero{
      padding:8rem 3rem 4rem;
      border-bottom:1px solid var(--border);
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:4rem;
      align-items:center;
    }
    .hero-glow-left{position:absolute;width:600px;height:600px;background:radial-gradient(circle,rgba(0,245,160,0.06) 0%,transparent 65%);top:-100px;left:-150px;pointer-events:none}
    .hero-glow-right{position:absolute;width:500px;height:500px;background:radial-gradient(circle,rgba(0,212,255,0.05) 0%,transparent 65%);bottom:-100px;right:-100px;pointer-events:none}

    .hero-left{position:relative}
    .hero-eyebrow{font-family:var(--mono);font-size:0.72rem;color:var(--accent);letter-spacing:0.22em;text-transform:uppercase;margin-bottom:1.2rem;display:flex;align-items:center;gap:0.7rem}
    .hero-eyebrow::before{content:'';width:28px;height:1px;background:var(--accent)}
    .page-hero h1{font-family:var(--display);font-size:clamp(2.8rem,4.5vw,4.2rem);font-weight:800;line-height:1.06;letter-spacing:-0.02em;margin-bottom:1.2rem}
    .page-hero h1 em{font-style:normal;color:var(--accent2)}
    .hero-desc{font-size:1rem;color:var(--text-dim);line-height:1.75;max-width:480px;margin-bottom:2rem}

    /* quick stats row */
    .hero-stats{display:flex;gap:2rem}
    .hstat{text-align:left}
    .hstat-num{font-family:var(--display);font-size:1.9rem;font-weight:800;color:var(--accent);line-height:1}
    .hstat-label{font-family:var(--mono);font-size:0.65rem;color:var(--text-dim);letter-spacing:0.12em;text-transform:uppercase;margin-top:0.2rem}

    /* featured video on the right of hero */
    .hero-featured{position:relative}
    .featured-label{font-family:var(--mono);font-size:0.68rem;color:var(--accent);letter-spacing:0.18em;text-transform:uppercase;margin-bottom:0.8rem;display:flex;align-items:center;gap:0.5rem}
    .featured-label::before{content:'▶';font-size:0.5rem}
    .featured-video-card{
      position:relative;background:#000;border:1px solid var(--border);
      overflow:hidden;aspect-ratio:16/9;cursor:pointer;
      box-shadow:0 24px 80px rgba(0,0,0,0.7);
    }
    .featured-video-card img{width:100%;height:100%;object-fit:cover;opacity:0.65;transition:opacity 0.3s}
    .featured-video-card:hover img{opacity:0.45}
    .fv-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:1.5rem;background:linear-gradient(to top,rgba(0,0,0,0.9) 0%,transparent 55%)}
    .fv-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;border:2px solid var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.5);transition:all 0.25s}
    .featured-video-card:hover .fv-play{background:var(--accent);transform:translate(-50%,-50%) scale(1.1)}
    .featured-video-card:hover .fv-play svg{fill:var(--bg)}
    .fv-play svg{fill:var(--accent);width:20px;margin-left:3px}
    .fv-series{font-family:var(--mono);font-size:0.65rem;background:var(--accent);color:var(--bg);padding:0.18rem 0.55rem;letter-spacing:0.1em;text-transform:uppercase;margin-bottom:0.5rem;width:fit-content}
    .fv-title{font-family:var(--display);font-size:1.2rem;font-weight:700;color:#fff;line-height:1.3;margin-bottom:0.3rem}
    .fv-meta{font-family:var(--mono);font-size:0.65rem;color:rgba(255,255,255,0.45);letter-spacing:0.06em}

    /* progress bar below featured */
    .series-progress{margin-top:0.8rem;background:var(--surface);border:1px solid var(--border);padding:0.9rem 1.1rem;display:flex;align-items:center;gap:1rem}
    .progress-bar-wrap{flex:1;height:3px;background:var(--border);position:relative}
    .progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));width:50%}
    .progress-label{font-family:var(--mono);font-size:0.65rem;color:var(--text-dim);letter-spacing:0.08em;white-space:nowrap}

    /* ── STICKY CONTROLS BAR ── */
    .controls-bar{
      position:sticky;top:125px;z-index:50;
      background:rgba(8,12,16,0.94);backdrop-filter:blur(12px);
      border-bottom:1px solid var(--border);
      padding:0.9rem 3rem;
      display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;
    }
    .controls-left{display:flex;align-items:center;gap:0.5rem;flex-wrap:wrap}
    .ctrl-label{font-family:var(--mono);font-size:0.65rem;color:var(--text-dim);letter-spacing:0.14em;text-transform:uppercase;margin-right:0.3rem}
    .cat-tab{font-family:var(--mono);font-size:0.72rem;color:var(--text-dim);background:var(--surface);border:1px solid var(--border);border-right:none;padding:0.45rem 1rem;cursor:pointer;letter-spacing:0.08em;text-transform:uppercase;transition:all 0.15s;white-space:nowrap}
    .cat-tab:last-of-type{border-right:1px solid var(--border)}
    .cat-tab:hover{color:var(--accent2);background:var(--surface2)}
    .cat-tab.active{color:var(--bg);background:var(--accent);border-color:var(--accent)}
    .controls-right{display:flex;align-items:center;gap:1rem}
    .diff-select{font-family:var(--mono);font-size:0.72rem;color:var(--text-dim);background:var(--surface2);border:1px solid var(--border);padding:0.4rem 0.8rem;outline:none;cursor:pointer;letter-spacing:0.06em;transition:border-color 0.2s}
    .diff-select:focus{border-color:var(--accent)}
    .sort-select{font-family:var(--mono);font-size:0.72rem;color:var(--text-dim);background:var(--surface2);border:1px solid var(--border);padding:0.4rem 0.8rem;outline:none;cursor:pointer;letter-spacing:0.06em}
    .results-count{font-family:var(--mono);font-size:0.68rem;color:var(--text-dim);letter-spacing:0.08em;white-space:nowrap}
    .results-count span{color:var(--accent)}

    /* ── MAIN LAYOUT ── */
    .tutorials-layout{display:grid;grid-template-columns:260px 1fr;gap:0;min-height:60vh}

    /* ── SIDEBAR ── */
    .sidebar{
      border-right:1px solid var(--border);
      padding:2rem 1.5rem;
      position:sticky;top:120px;
      height:fit-content;
      max-height:calc(100vh - 140px);
      overflow-y:auto;
    }
    .sidebar::-webkit-scrollbar{width:3px}
    .sidebar::-webkit-scrollbar-track{background:transparent}
    .sidebar::-webkit-scrollbar-thumb{background:var(--border)}
    .sb-section{margin-bottom:2rem}
    .sb-title{font-family:var(--mono);font-size:0.65rem;color:var(--text-dim);letter-spacing:0.18em;text-transform:uppercase;margin-bottom:0.8rem;padding-bottom:0.5rem;border-bottom:1px solid var(--border)}
    .sb-item{display:flex;align-items:center;justify-content:space-between;padding:0.45rem 0.6rem;cursor:pointer;font-family:var(--mono);font-size:0.72rem;color:var(--text-dim);letter-spacing:0.06em;transition:all 0.15s;border-left:2px solid transparent}
    .sb-item:hover{color:var(--text);background:var(--surface2);border-left-color:var(--accent2)}
    .sb-item.active{color:var(--accent);border-left-color:var(--accent);background:rgba(0,245,160,0.05)}
    .sb-count{font-size:0.62rem;background:var(--surface2);border:1px solid var(--border);padding:0.1rem 0.4rem;color:var(--text-dim)}
    .sb-item.active .sb-count{background:rgba(0,245,160,0.1);border-color:rgba(0,245,160,0.3);color:var(--accent)}

    /* difficulty dots */
    .diff-dot{width:7px;height:7px;border-radius:50%;display:inline-block;margin-right:3px}
    .diff-dot.beginner{background:var(--accent)}
    .diff-dot.intermediate{background:var(--accent4)}
    .diff-dot.advanced{background:var(--accent3)}

    /* ── TUTORIAL GRID ── */
    .tutorials-main{padding:2rem 2.5rem}
    .section-sep{font-family:var(--mono);font-size:0.68rem;color:var(--text-dim);letter-spacing:0.2em;text-transform:uppercase;margin-bottom:1.2rem;display:flex;align-items:center;gap:1rem}
    .section-sep::after{content:'';flex:1;height:1px;background:var(--border)}

    .tut-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);margin-bottom:2.5rem}

    /* individual card */
    .tut-card{
      background:var(--surface);
      display:flex;flex-direction:column;
      cursor:pointer;
      transition:background 0.2s;
      position:relative;
      overflow:hidden;
      opacity:0;
      transform:translateY(16px);
      animation:cardIn 0.45s cubic-bezier(.16,1,.3,1) forwards;
    }
    @keyframes cardIn{to{opacity:1;transform:translateY(0)}}
    .tut-card:nth-child(1){animation-delay:0.04s}.tut-card:nth-child(2){animation-delay:0.08s}.tut-card:nth-child(3){animation-delay:0.12s}
    .tut-card:nth-child(4){animation-delay:0.16s}.tut-card:nth-child(5){animation-delay:0.2s}.tut-card:nth-child(6){animation-delay:0.24s}
    .tut-card:nth-child(7){animation-delay:0.28s}.tut-card:nth-child(8){animation-delay:0.32s}.tut-card:nth-child(9){animation-delay:0.36s}
    .tut-card:hover{background:var(--surface2)}
    .tut-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent2));transform:scaleX(0);transform-origin:left;transition:transform 0.3s}
    .tut-card:hover::after{transform:scaleX(1)}

    /* thumbnail */
    .tut-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#000}
    .tut-thumb img{width:100%;height:100%;object-fit:cover;opacity:0.7;transition:all 0.35s}
    .tut-card:hover .tut-thumb img{opacity:0.5;transform:scale(1.04)}
    .tut-thumb-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity 0.25s}
    .tut-card:hover .tut-thumb-play{opacity:1}
    .tpt-inner{width:44px;height:44px;border:1.5px solid var(--accent2);border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.6)}
    .tpt-inner svg{fill:var(--accent2);width:14px;margin-left:2px}
    .tut-duration{position:absolute;bottom:0.5rem;right:0.6rem;font-family:var(--mono);font-size:0.62rem;background:rgba(0,0,0,0.8);color:rgba(255,255,255,0.8);padding:0.15rem 0.45rem;letter-spacing:0.06em}
    .tut-series-badge{position:absolute;top:0.6rem;left:0.6rem;font-family:var(--mono);font-size:0.6rem;background:rgba(0,0,0,0.75);border:1px solid var(--border);color:var(--accent2);padding:0.15rem 0.5rem;letter-spacing:0.08em;text-transform:uppercase}
    .tut-new-badge{position:absolute;top:0.6rem;right:0.6rem;font-family:var(--mono);font-size:0.6rem;background:var(--accent3);color:#fff;padding:0.15rem 0.5rem;letter-spacing:0.1em;text-transform:uppercase}

    /* card body */
    .tut-body{padding:1.2rem;display:flex;flex-direction:column;gap:0.6rem;flex:1}
    .tut-tags{display:flex;gap:0.4rem;flex-wrap:wrap}
    .tut-tag{font-family:var(--mono);font-size:0.6rem;letter-spacing:0.1em;text-transform:uppercase;padding:0.15rem 0.5rem;border:1px solid var(--border);color:var(--text-dim)}
    .tut-tag.green{color:var(--accent);border-color:rgba(0,245,160,0.25)}
    .tut-tag.blue{color:var(--accent2);border-color:rgba(0,212,255,0.25)}
    .tut-tag.red{color:var(--accent3);border-color:rgba(255,77,109,0.25)}
    .tut-tag.yellow{color:var(--accent4);border-color:rgba(247,201,72,0.25)}
    .tut-title{font-family:var(--display);font-size:0.95rem;font-weight:700;color:var(--text);line-height:1.35;flex:1}
    .tut-footer{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:0.6rem;border-top:1px solid var(--border)}
    .tut-diff{display:flex;align-items:center;gap:0.4rem;font-family:var(--mono);font-size:0.62rem;color:var(--text-dim);letter-spacing:0.06em}
    .tut-author{font-family:var(--mono);font-size:0.6rem;color:var(--text-dim)}

    /* ── SERIES SPOTLIGHT ── */
    .series-spotlight{
      background:var(--surface);
      border:1px solid var(--border);
      padding:2rem;
      margin-bottom:2.5rem;
      display:grid;
      grid-template-columns:1fr 280px;
      gap:2rem;
      align-items:center;
      position:relative;
      overflow:hidden;
    }
    .series-spotlight::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent2),transparent)}
    .ss-eyebrow{font-family:var(--mono);font-size:0.65rem;color:var(--accent);letter-spacing:0.18em;text-transform:uppercase;margin-bottom:0.6rem}
    .ss-title{font-family:var(--display);font-size:1.5rem;font-weight:800;margin-bottom:0.5rem;line-height:1.2}
    .ss-desc{font-size:0.9rem;color:var(--text-dim);line-height:1.7;margin-bottom:1.2rem}
    .ss-episodes{display:flex;flex-direction:column;gap:0.5rem}
    .ss-ep{display:flex;align-items:center;gap:0.8rem;padding:0.6rem 0.8rem;border:1px solid var(--border);transition:all 0.2s;cursor:pointer}
    .ss-ep:hover{border-color:var(--accent2);background:var(--surface2)}
    .ss-ep.active{border-color:var(--accent);background:rgba(0,245,160,0.05)}
    .ep-num{font-family:var(--mono);font-size:0.62rem;color:var(--text-dim);min-width:24px}
    .ep-num.done{color:var(--accent)}
    .ep-title{font-family:var(--mono);font-size:0.72rem;color:var(--text);flex:1;letter-spacing:0.04em;line-height:1.3}
    .ep-dur{font-family:var(--mono);font-size:0.62rem;color:var(--text-dim)}
    .ep-check{width:14px;height:14px;border:1px solid var(--border);border-radius:50%;flex-shrink:0}
    .ep-check.done{background:var(--accent);border-color:var(--accent)}

    /* ── LOAD MORE ── */
    .load-more-row{display:flex;align-items:center;justify-content:center;gap:1.5rem;padding:1rem 0 3rem}
    .btn-more{font-family:var(--mono);font-size:0.78rem;color:var(--text);background:transparent;border:1px solid var(--border);padding:0.8rem 2.5rem;cursor:pointer;letter-spacing:0.12em;text-transform:uppercase;transition:all 0.2s;display:flex;align-items:center;gap:0.6rem}
    .btn-more:hover{border-color:var(--accent);color:var(--accent)}
    .spinner-dots{display:none;gap:4px}
    .btn-more.htmx-request .spinner-dots{display:flex}
    .btn-more.htmx-request .btn-label{display:none}
    .spinner-dots span{width:5px;height:5px;border-radius:50%;background:var(--accent);animation:bounce 0.8s ease-in-out infinite}
    .spinner-dots span:nth-child(2){animation-delay:0.15s}
    .spinner-dots span:nth-child(3){animation-delay:0.3s}
    @keyframes bounce{0%,80%,100%{transform:translateY(0);opacity:0.4}40%{transform:translateY(-5px);opacity:1}}

    /* ── FOOTER ── */
    
    
    
    
    
    

    @media(max-width:1100px){.tut-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:860px){
      
      .page-hero{grid-template-columns:1fr;padding:7rem 1.5rem 3rem;gap:2rem}
      .tutorials-layout{grid-template-columns:1fr}
      .sidebar{display:none}
      .tutorials-main{padding:1.5rem}
      .tut-grid{grid-template-columns:1fr}
      .series-spotlight{grid-template-columns:1fr}
      .controls-bar{padding:0.8rem 1.5rem}
      
    }