/* ---- LMS TDH front-end styles (namespaced, theme-agnostic) ---- */
.lms-tdh-btn{display:inline-block;background:#2563eb;color:#fff;padding:10px 18px;border:0;border-radius:8px;font-weight:600;cursor:pointer;text-decoration:none;line-height:1.2}
.lms-tdh-btn:hover{background:#1d4ed8;color:#fff}
.lms-tdh-btn-lg{padding:14px 28px;font-size:1.05rem}
.lms-tdh-btn-ghost{background:transparent;color:#2563eb;border:1px solid #2563eb}
.lms-tdh-btn-ghost:hover{background:#eff6ff;color:#1d4ed8}
.lms-tdh-price{font-weight:700;margin-left:6px}

.lms-tdh-enroll,.lms-tdh-enrolled{margin:24px 0}

/* Curriculum */
.lms-tdh-curriculum{margin:32px 0;border:1px solid #e5e7eb;border-radius:12px;padding:8px 20px 20px}
.lms-tdh-curriculum h3{margin:16px 0}
.lms-tdh-curriculum ul{list-style:none;margin:0;padding:0}
.lms-tdh-curriculum li{padding:12px 4px;border-bottom:1px solid #f1f5f9;font-size:1rem}
.lms-tdh-curriculum li:last-child{border-bottom:0}
.lms-tdh-locked-item{color:#9ca3af}
.lms-tdh-dur{float:right;color:#6b7280;font-size:.85rem}

/* Module tree */
.lms-tdh-tree,.lms-tdh-module-items{list-style:none;margin:0;padding:0}
.lms-tdh-module{padding:0;border-bottom:1px solid #f1f5f9}
.lms-tdh-module:last-child{border-bottom:0}
.lms-tdh-module-title{font-weight:700;padding:14px 4px;font-size:1.05rem}
.lms-tdh-module-items{padding-left:18px}
.lms-tdh-module .lms-tdh-module .lms-tdh-module-title{font-size:.98rem;color:#374151}
.lms-tdh-lesson-row{padding:10px 4px;border-bottom:1px solid #f8fafc}
.lms-tdh-lesson-row:last-child{border-bottom:0}

/* Player + lesson */
.lms-tdh-player{position:relative;margin:0 0 24px;border-radius:12px;overflow:hidden;background:#000}
.lms-tdh-player iframe,.lms-tdh-player video{display:block;width:100%;aspect-ratio:16/9;border:0}
.lms-tdh-lesson-actions{margin:28px 0;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.lms-tdh-done{color:#16a34a;font-weight:700}
.lms-tdh-locked{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:24px;border-radius:12px;text-align:center;font-size:1.1rem}

/* Dashboard */
.lms-tdh-dashboard{margin:24px 0}
.lms-tdh-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.lms-tdh-card{border:1px solid #e5e7eb;border-radius:14px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.lms-tdh-card .lms-tdh-thumb img{width:100%;height:160px;object-fit:cover;display:block}
.lms-tdh-card h3{margin:14px 16px 8px;font-size:1.1rem}
.lms-tdh-card h3 a{text-decoration:none;color:inherit}
.lms-tdh-meta{margin:6px 16px;color:#6b7280;font-size:.85rem}
.lms-tdh-card .lms-tdh-btn{margin:8px 16px 16px;text-align:center}
.lms-tdh-bar{height:8px;background:#e5e7eb;border-radius:99px;margin:6px 16px 0;overflow:hidden}
.lms-tdh-bar span{display:block;height:100%;background:#16a34a;border-radius:99px;transition:width .4s ease}
.lms-tdh-notice{background:#f8fafc;border:1px solid #e2e8f0;padding:16px;border-radius:10px}

/* Lesson resources (front-end downloads) */
.lms-tdh-resources-box{margin:24px 0;padding:16px 20px;border:1px solid #e5e7eb;border-radius:12px;background:#f8fafc}
.lms-tdh-resources-box h4{margin:0 0 10px}
.lms-tdh-resources-box ul{list-style:none;margin:0;padding:0}
.lms-tdh-resources-box li{padding:6px 0}
.lms-tdh-resources-box a{text-decoration:none;font-weight:600;color:#2563eb}