.session-history{max-width:1200px;margin:0 auto;padding:20px}.session-history-loading,.session-history-error,.sessions-empty{text-align:center;color:#666;flex-direction:column;justify-content:center;align-items:center;padding:60px 20px;display:flex}.session-history-loading i,.session-history-error i,.sessions-empty i{color:#2e7cbd;margin-bottom:1rem;font-size:3rem}.session-history-error i{color:#dc3545}.sessions-empty i{color:#6c757d}.session-history-retry-btn{color:#fff;cursor:pointer;background-color:#2e7cbd;border:none;border-radius:6px;align-items:center;gap:8px;margin-top:1rem;padding:8px 16px;display:flex}.session-history-retry-btn:hover{background-color:#2568a8}.session-history-header{text-align:center;margin-bottom:40px}.session-history-header h1{color:#2d3748;margin-bottom:10px;font-size:2.5rem}.session-history-header p{color:#6c757d;font-size:1.1rem}.session-filter{background:#fff;border-radius:12px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:15px;margin-bottom:30px;padding:20px;display:flex;box-shadow:0 2px 10px rgba(0,0,0,.1)}.filter-buttons{flex-wrap:wrap;gap:10px;display:flex}.filter-btn{color:#6b7280;cursor:pointer;background:#fff;border:2px solid #e5e7eb;border-radius:25px;padding:8px 16px;font-weight:500;transition:all .3s}.filter-btn:hover{color:#2e7cbd;border-color:#2e7cbd}.filter-btn.active{color:#fff;background:#2e7cbd;border-color:#2e7cbd}.filter-stats{color:#6b7280;font-size:.9rem;font-weight:500}.session-history-alert{border-radius:8px;align-items:center;gap:12px;margin-bottom:20px;padding:15px 20px;display:flex}.session-history-alert-error{color:#dc2626;background-color:#fef2f2;border:1px solid #fecaca}.session-history-alert-close{color:inherit;cursor:pointer;background:0 0;border:none;margin-left:auto;padding:5px}.sessions-container{margin-bottom:40px}.date-header{border-bottom:2px solid #e5e7eb;align-items:center;gap:10px;margin-bottom:15px;padding:10px 0;display:flex}.date-header i{color:#2e7cbd;font-size:1.2rem}.date-text{color:#2d3748;font-size:1.1rem;font-weight:600}.sessions-list{flex-direction:column;gap:15px;display:flex}.session-card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;flex-direction:column;gap:16px;padding:20px;transition:all .3s;display:flex;box-shadow:0 4px 20px rgba(0,0,0,.08)}.session-card:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,0,0,.12)}.session-top{align-items:flex-start;gap:16px;display:flex}.session-image{border-radius:12px;flex-shrink:0;width:80px;height:80px;overflow:hidden}.session-image img{object-fit:cover;object-position:top;width:100%;height:100%}.session-headline{flex-direction:column;flex:1;gap:6px;min-width:0;display:flex}.session-name{color:#2d3748;margin:0;font-size:1.2rem;font-weight:600;line-height:1.3}.session-subject{color:#6b7280;align-items:center;gap:8px;font-size:.9rem;font-weight:500;display:flex}.session-status{text-transform:uppercase;border-radius:20px;flex-shrink:0;align-self:flex-start;padding:4px 12px;font-size:.8rem;font-weight:600}.status-not-started{color:#9a3412;background:#ffedd5}.status-ongoing{color:#1e40af;background:#dbeafe}.status-finished{color:#166534;background:#dcfce7}.session-content{flex-direction:column;gap:12px;display:flex}.session-question-type .text-xs{font-size:.75rem}.session-chapters .opacity-70{opacity:.7}.session-chapters .font-bold{font-weight:700}.session-chapters .text-xs{font-size:.75rem;line-height:1.2}.session-meta{flex-wrap:wrap;gap:15px;display:flex}.session-time{color:#9ca3af;align-items:center;gap:6px;font-size:.85rem;display:flex}.session-time i{font-size:.8rem}.session-actions{justify-content:flex-end;gap:8px;display:flex}.session-action-btn{text-transform:uppercase;text-align:center;white-space:nowrap;border:none;border-radius:20px;flex-shrink:0;justify-content:center;align-items:center;gap:6px;height:auto;padding:8px 18px;font-size:.8rem;font-weight:600;line-height:1;text-decoration:none;transition:all .3s;display:inline-flex}.session-action-primary{color:#fff;background:#2e7cbd}.session-action-primary:hover{background:#0056b3}.session-action-secondary{color:#fff;background:#2e7cbd}.session-action-secondary:hover{background:#0056b3}.session-action-btn i{font-size:.75rem;line-height:1}.sessions-empty{text-align:center;padding:60px 20px}.sessions-empty h3{color:#2d3748;margin-bottom:10px;font-size:1.5rem}.sessions-empty p{color:#6b7280;margin-bottom:20px}.session-history-loading-more{background:var(--bg-secondary);border-radius:8px;flex-direction:column;justify-content:center;align-items:center;margin:20px 0;padding:20px;display:flex}.session-history-loading-more .icon-loader{color:var(--primary-color);margin-bottom:10px;font-size:24px}.session-history-loading-more p{color:var(--text-secondary);margin:0;font-size:14px}.session-history-load-more{justify-content:center;margin:20px 0;padding:10px;display:flex}.session-history-load-more-btn{background:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:6px;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:500;transition:background .3s;display:flex}.session-history-load-more-btn:hover{background:var(--primary-dark)}.session-create-btn{color:#fff;cursor:pointer;background-color:#2e7cbd;border:none;border-radius:8px;align-items:center;gap:8px;padding:10px 20px;font-weight:500;transition:all .3s;display:inline-flex}.session-create-btn:hover{background-color:#0056b3}.date-group-container{background:#fff;border-radius:16px;margin-bottom:30px;padding:20px}.animate-spin{animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width:768px){.session-history{padding:12px}.session-history-header{margin-bottom:20px}.session-history-header h1{font-size:1.6rem}.session-history-header p{font-size:.9rem}.session-filter{flex-flow:column wrap;align-items:stretch;gap:10px;margin-bottom:20px;padding:12px;overflow:visible}.filter-buttons{scrollbar-width:none;flex-wrap:nowrap;gap:6px;width:100%;display:flex;overflow-x:auto}.filter-buttons::-webkit-scrollbar{display:none}.filter-btn{white-space:nowrap;border-radius:20px;flex:1 0;height:34px;padding:8px 10px;font-size:12px;line-height:1}.filter-stats-container{align-items:center;width:100%;display:flex}.session-create-btn{white-space:nowrap;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;gap:8px;width:100%;height:44px;margin-top:0;padding:12px 16px;font-size:14px;display:inline-flex}.session-create-btn i{font-size:14px}.date-group-container{border-radius:12px;margin-bottom:16px;padding:12px}.date-header{margin-bottom:12px;padding:6px 0}.date-text{font-size:.95rem}.sessions-list{gap:12px}.session-card{border-radius:12px;gap:14px;padding:14px}.session-top{grid-template-columns:auto 1fr auto;align-items:center;gap:12px;display:grid}.session-image{grid-area:1/1;width:56px;height:56px}.session-headline{grid-area:1/2;gap:4px}.session-status{grid-area:1/3;align-self:center;padding:3px 9px;font-size:.7rem}.session-name{font-size:.95rem;line-height:1.25}.session-subject{font-size:.8rem}.session-content,.session-meta{gap:10px}.session-time{font-size:.78rem}.session-actions{justify-content:stretch}.session-action-btn{border-radius:10px;width:100%;height:auto;padding:10px 16px;font-size:.8rem}.session-action-btn i{font-size:.85rem}}@media (max-width:480px){.session-create-btn{height:42px;padding:11px 14px;font-size:13px}.session-history{padding:10px}.session-history-header h1{font-size:1.4rem}.session-history-header p{font-size:.85rem}.session-filter{gap:6px;padding:8px}.filter-btn,.session-create-btn{height:28px;padding:5px 10px;font-size:11px}.session-create-btn i{font-size:11px}.session-card{gap:12px;padding:12px}.session-image{width:48px;height:48px}.session-name{font-size:.88rem}.session-subject{font-size:.75rem}.session-status{padding:3px 8px;font-size:.65rem}.session-action-btn{padding:9px 14px;font-size:.75rem}.date-text{font-size:.88rem}}.dark-theme .session-history-header h1{color:#f1f5f9}.dark-theme .session-history-header p{color:#94a3b8}.dark-theme .session-filter{background:#1e293b;box-shadow:0 2px 10px rgba(0,0,0,.3)}.dark-theme .filter-btn{color:#cbd5e1;background:#334155;border-color:#475569}.dark-theme .filter-btn:hover{color:#2e7cbd;border-color:#2e7cbd}.dark-theme .filter-btn.active{color:#fff;background:#2e7cbd;border-color:#2e7cbd}.dark-theme .filter-stats{color:#94a3b8}.dark-theme .session-card{background:#1e293b;border-color:#334155;box-shadow:0 4px 20px rgba(0,0,0,.2)}.dark-theme .session-name{color:#f1f5f9}.dark-theme .session-subject,.dark-theme .session-detail{color:#94a3b8}.dark-theme .session-time{color:#64748b}.dark-theme .date-header{border-color:#334155}.dark-theme .date-text{color:#f1f5f9}.dark-theme .date-group-container{background:#1d283a;box-shadow:inset 0 0 10px rgba(255,255,255,.05)}.dark-theme .session-create-btn{color:#fff;background-color:#2e7cbd}.dark-theme .session-create-btn:hover{background-color:#0056b3}.dark-theme .session-chapters .opacity-70{opacity:.8}.dark-theme .session-chapters .font-bold{color:#e2e8f0}.dark-theme .session-chapters .text-xs{color:#cbd5e1}
