:root{--primary: #6366f1;--primary-hover: #4f46e5;--bg: #f8fafc;--surface: #ffffff;--text: #1e293b;--text-dim: #64748b;--border: #e2e8f0;--error: #ef4444}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg);color:var(--text);line-height:1.5}.app-container{max-width:800px;margin:0 auto;padding:2rem 1rem}.app-header{text-align:center;margin-bottom:2rem}.app-header h1{font-size:2rem;margin-bottom:.5rem;color:var(--primary)}.file-upload-container{margin-bottom:2rem}.upload-zone{border:2px dashed var(--border);border-radius:12px;background:var(--surface);padding:3rem;text-align:center;cursor:pointer;transition:all .2s ease}.upload-zone:hover,.upload-zone.dragging{border-color:var(--primary);background-color:#eef2ff}.upload-icon{color:var(--primary);margin-bottom:1rem}.sub-text{color:var(--text-dim);font-size:.875rem}.file-preview{display:flex;align-items:center;justify-content:space-between;padding:1rem;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:0 1px 3px #0000001a}.file-info{display:flex;align-items:center;gap:.5rem;font-weight:500}.clear-btn{background:none;border:none;cursor:pointer;color:var(--text-dim);padding:4px;border-radius:4px}.clear-btn:hover{background:#f1f5f9;color:var(--error)}.loading{text-align:center;padding:2rem;color:var(--primary);font-weight:500;display:none}.loading-container{text-align:center;padding:2rem;max-width:500px;margin:0 auto}.loading-message{color:var(--primary);font-weight:600;margin-bottom:1.5rem;font-size:1.1rem}.progress-bar-container{width:100%;height:12px;background-color:#e2e8f0;border-radius:6px;overflow:hidden;margin-bottom:.5rem;box-shadow:inset 0 1px 2px #0000001a}.progress-bar-fill{height:100%;background-color:var(--primary);width:0%;border-radius:6px;animation:fillProgress 120s cubic-bezier(.1,.7,1,.1) forwards}@keyframes fillProgress{0%{width:0%}to{width:95%}}.loading-subtext{color:var(--text-dim);font-size:.85rem}.error-message{background-color:#fef2f2;color:var(--error);padding:1rem;border-radius:8px;margin-bottom:1rem;border:1px solid #fee2e2}.school-header{text-align:center;margin-bottom:1.5rem;color:var(--text)}.school-header h2{font-size:1.5rem;margin:0 0 .25rem;color:var(--primary);white-space:normal;overflow-wrap:break-word}.school-header h3{font-size:1.1rem;margin:0;color:var(--text-dim);font-weight:500}.exam-grid{background:var(--surface);border-radius:8px;border:1px solid var(--border);overflow:hidden;box-shadow:0 4px 6px -1px #0000001a}.grid-header{display:grid;grid-template-columns:40px 1fr 1fr 100px;padding:1rem;background:#f1f5f9;font-weight:600;font-size:.875rem;color:var(--text-dim);border-bottom:1px solid var(--border)}.grid-row-group{border-bottom:1px solid var(--border)}.grid-row.summary{display:grid;grid-template-columns:40px 1fr 1fr 100px;padding:1rem;align-items:center;cursor:pointer;transition:background .15s}.grid-row.summary:hover{background-color:#f8fafc}.icon-col{color:var(--text-dim);display:flex;align-items:center;justify-content:center}.date-col,.time-col{display:flex;align-items:center;gap:.5rem;font-size:.9rem}.day-badge{background:#e0e7ff;color:var(--primary);padding:2px 6px;border-radius:4px;font-size:.75rem;font-weight:600}.grid-row.details{background:#f8fafc;padding:1rem 1rem 1rem 3.5rem;border-top:1px solid var(--border)}.syllabus-content h4{margin:0 0 .5rem;display:flex;align-items:center;gap:.5rem;font-size:.95rem;color:var(--text-dim)}.syllabus-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);font-size:.95rem}.syllabus-table td{padding:.75rem;border-bottom:1px solid var(--border)}.syllabus-table tr:last-child td{border-bottom:none}.syllabus-table tr:hover{background:#f1f5f9}.check-col{width:30px;text-align:center}.text-col{color:var(--text)}.syllabus-table tr.checked .text-col{text-decoration:line-through;color:var(--text-dim)}