/* Base provided by global.css */
.container{max-width:1100px;margin:0 auto;padding:32px 20px}
h1{margin-bottom:6px}
.subtitle{color:var(--muted);font-size:.95rem;margin-bottom:28px}
.btn-green{background:rgba(63,185,80,.15);border:1px solid rgba(63,185,80,.3);color:var(--ok)}
.tabs{display:flex;gap:4px;margin-bottom:24px;border-bottom:1px solid var(--border)}
.tab{padding:10px 18px;font-size:.88rem;font-weight:600;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .15s}
.tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.tab:hover:not(.active){color:var(--text)}
.toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:28px}
.search-box{flex:1;min-width:200px;background:var(--bg2);border:1px solid var(--border);border-radius:8px;padding:9px 14px;color:var(--text);font-size:.9rem;outline:none}
.search-box:focus{border-color:var(--accent)}
.filter-select{background:var(--bg2);border:1px solid var(--border);border-radius:8px;padding:9px 14px;color:var(--text);font-size:.85rem;cursor:pointer;outline:none}
.filter-select:focus{border-color:var(--accent)}
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.course-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .2s;display:flex;flex-direction:column;cursor:pointer}
.course-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 24px rgba(124,58,237,.12)}
.course-thumb{height:140px;background:linear-gradient(135deg,var(--bg3),#1e1040);display:flex;align-items:center;justify-content:center;font-size:3rem;position:relative}
.lang-badge{position:absolute;bottom:8px;left:8px;background:rgba(0,0,0,.7);border:1px solid var(--border);border-radius:6px;padding:2px 8px;font-size:.72rem;font-weight:600;color:var(--muted)}
.course-body{padding:16px;flex:1;display:flex;flex-direction:column;gap:8px}
.course-title{font-size:.95rem;font-weight:700;line-height:1.3}
.course-author{font-size:.8rem;color:var(--muted)}
.course-meta{display:flex;gap:12px;font-size:.78rem;color:var(--muted)}
.stars{color:var(--yellow)}
.course-tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{background:var(--bg3);border:1px solid var(--border);border-radius:6px;padding:2px 8px;font-size:.72rem;color:var(--muted)}
.course-footer{padding:12px 16px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.price{font-size:1.1rem;font-weight:800;color:var(--accent)}
.price.free{color:var(--green)}
.owned-badge{background:rgba(63,185,80,.12);border:1px solid rgba(63,185,80,.25);color:var(--green);font-size:.72rem;font-weight:600;padding:3px 10px;border-radius:6px}
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty .icon{font-size:3rem;margin-bottom:12px}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:560px;max-height:90vh;overflow-y:auto}
.modal-header{padding:20px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-header h2{font-size:1.1rem;font-weight:700}
.modal-close{background:none;border:none;color:var(--muted);font-size:1.3rem;cursor:pointer;padding:2px 6px;border-radius:4px}
.modal-close:hover{color:var(--text)}
.modal-body{padding:24px}
.detail-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border);font-size:.88rem}
.detail-row:last-child{border-bottom:none}
.detail-label{color:var(--muted)}
.review-item{background:var(--bg3);border:1px solid var(--border);border-radius:8px;padding:14px;margin-bottom:10px}
.review-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.review-author{font-size:.85rem;font-weight:600}
.review-text{font-size:.85rem;color:var(--muted);line-height:1.5}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px}
.form-input,.form-textarea{width:100%;background:var(--bg3);border:1px solid var(--border);border-radius:8px;padding:10px 14px;color:var(--text);font-size:.9rem;outline:none;font-family:var(--font)}
.form-input:focus,.form-textarea:focus{border-color:var(--accent)}
.form-textarea{min-height:90px;resize:vertical}
.sell-form{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:28px;max-width:680px}
.sell-form h2{font-size:1.1rem;font-weight:700;margin-bottom:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:600px){.form-row{grid-template-columns:1fr}}
.toast{position:fixed;bottom:24px;right:24px;background:var(--bg2);border:1px solid var(--border);border-radius:8px;padding:12px 18px;font-size:.88rem;z-index:200;display:none;gap:8px;align-items:center}
.toast.show{display:flex}
.toast.success{border-color:rgba(63,185,80,.4);background:rgba(63,185,80,.08)}
.toast.error{border-color:rgba(248,81,73,.4);background:rgba(248,81,73,.08)}
.hidden{display:none}