:root{--page-bg:#f8fafc;--panel-bg:#fff;--border-color:#e2e8f0;--text-primary:#0f172a;--text-secondary:#64748b;--accent-color:#3b82f6;--accent-hover:#2563eb;--accent-light:#3b82f60d;--announcement-color:#f59e0b;--event-color:#10b981;--meetup-color:#6366f1}.students-page-container{max-width:1000px;margin:40px auto;padding:0 20px;font-family:system-ui,-apple-system,sans-serif}.page-header h1{color:var(--text-primary);margin-bottom:4px;font-size:1.8rem}.page-header p{color:var(--text-secondary);margin-bottom:24px;font-size:.95rem}.table-container{background:var(--panel-bg);border:1px solid var(--border-color);border-radius:12px;overflow:hidden;box-shadow:0 4px 6px -1px #0000000d}.students-table{border-collapse:collapse;text-align:left;width:100%}.students-table th{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border-color);background:#f1f5f9;padding:14px 24px;font-size:.8rem;font-weight:600}.students-table td{border-bottom:1px solid var(--border-color);color:var(--text-primary);vertical-align:middle;padding:16px 24px;font-size:.95rem}.students-table tbody tr:last-child td{border-bottom:none}.students-table tbody tr:hover{background:#f8fafc}.student-profile{align-items:center;gap:12px;display:flex}.student-avatar{object-fit:cover;border-radius:50%;width:40px;height:40px}.student-details{flex-direction:column;display:flex}.student-name{color:var(--text-primary);font-weight:600}.student-email{color:var(--text-secondary);font-size:.8rem}.badge{border-radius:9999px;padding:4px 10px;font-size:.8rem;font-weight:600;display:inline-block}.points-badge{color:#1d4ed8;background:#eff6ff}.hours-text{font-weight:500}.text-right{text-align:right}.btn-history-trigger{color:var(--text-secondary);border:1px solid var(--border-color);cursor:pointer;background:#fff;border-radius:6px;padding:8px 14px;font-size:.85rem;font-weight:600;transition:all .2s}.btn-history-trigger:hover{background:var(--accent-light);border-color:var(--accent-color);color:var(--accent-color)}.history-scroll-container{flex-direction:column;gap:12px;max-height:380px;margin:16px 0;padding-right:6px;display:flex;overflow-y:auto}.history-scroll-container::-webkit-scrollbar{width:6px}.history-scroll-container::-webkit-scrollbar-track{background:#f1f5f9;border-radius:8px}.history-scroll-container::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:8px}.history-scroll-container::-webkit-scrollbar-thumb:hover{background:#94a3b8}.history-event-card{border:1px solid var(--border-color);background:#f8fafc;border-radius:8px;flex-direction:column;gap:6px;padding:16px;display:flex}.event-card-header{justify-content:space-between;align-items:center;display:flex}.event-type-badge{border-radius:4px;padding:2px 8px;font-size:.75rem;font-weight:600}.event-type-badge.announcement{color:var(--announcement-color);background:#f59e0b1a}.event-type-badge.event{color:var(--event-color);background:#10b9811a}.event-type-badge.meetup{color:var(--meetup-color);background:#6366f11a}.event-date{color:var(--text-secondary);font-size:.75rem}.history-event-card h4{color:var(--text-primary);margin:4px 0 2px;font-size:.95rem;font-weight:700}.history-event-card p{color:var(--text-secondary);margin:0;font-size:.85rem;line-height:1.4}.event-card-footer{color:var(--text-secondary);border-top:1px dashed var(--border-color);gap:16px;margin-top:4px;padding-top:8px;font-size:.75rem;display:flex}.search-container{width:100%;margin-bottom:20px}.search-input-wrapper{align-items:center;width:100%;max-width:400px;display:flex;position:relative}.search-icon{color:var(--text-secondary);pointer-events:none;font-size:.95rem;position:absolute;left:14px}#studentSearchInput{width:100%;color:var(--text-primary);background:var(--panel-bg);border:1px solid var(--border-color);border-radius:8px;outline:none;padding:12px 12px 12px 40px;font-family:inherit;font-size:.95rem;transition:border-color .2s,box-shadow .2s;box-shadow:0 1px 2px #0000000d}#studentSearchInput:focus{border-color:var(--accent-color);box-shadow:0 0 0 4px #3b82f626}#studentSearchInput::placeholder{color:var(--text-secondary);opacity:.8}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;opacity:0;pointer-events:none;background:#0f172a4d;justify-content:center;align-items:center;width:100vw;height:100vh;transition:opacity .25s;display:flex;position:fixed;top:0;left:0}.modal-overlay.active{opacity:1;pointer-events:auto}.modal-card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;width:100%;max-width:500px;max-height:80vh;padding:32px;transition:transform .3s cubic-bezier(.16,1,.3,1);position:relative;overflow-y:auto;transform:translateY(20px);box-shadow:0 20px 25px -5px #0000001a}.modal-overlay.active .modal-card{transform:translateY(0)}