:root{--primary: #6d4bd6;--primary-dark: #5934c0;--primary-soft: #f1edfd;--navy: #14121a;--navy-soft: #201d29;--ink: #14121a;--secondary: #5c5867;--muted: #928da0;--canvas: #f6f6f8;--card: #ffffff;--line: #e7e5ec;--success: #0f9d58;--success-soft: #e6f6ed;--warning: #b7791f;--warning-soft: #fdf3df;--danger: #d1424a;--danger-soft: #fbe9ea}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--canvas);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:13.5px;-webkit-font-smoothing:antialiased}button{font-family:inherit}input,textarea,select{font-family:inherit;font-size:13.5px}a{color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;flex-shrink:0;background:var(--card);color:var(--ink);display:flex;flex-direction:column;padding:18px 14px;border-right:1px solid var(--line)}.sidebar-brand{font-size:19px;font-weight:800;padding:4px 8px 2px;letter-spacing:-.02em;color:var(--ink)}.sidebar-brand-sub{padding:0 8px 20px;font-size:10px;font-weight:700;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}.nav-group{margin-bottom:10px}.nav-group-label{padding:12px 10px 6px;font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.nav-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 10px;border-radius:9px;color:var(--secondary);font-size:13px;font-weight:500;cursor:pointer;border:none;background:transparent;text-align:left;width:100%}.nav-item:hover{background:var(--canvas);color:var(--ink)}.nav-item.active{background:var(--primary-soft);color:var(--ink);font-weight:700}.nav-icon{width:16px;display:inline-flex;align-items:center;justify-content:center;opacity:.85}.nav-badge{background:var(--canvas);color:var(--secondary);border-radius:6px;padding:1px 6px;font-size:10.5px;font-weight:700}.nav-item.active .nav-badge{background:#fff;color:var(--primary)}.sidebar-footer{margin-top:auto;padding:10px;font-size:11px;color:var(--muted);display:flex;flex-direction:column;gap:8px;border-top:1px solid var(--line)}.sidebar-footer button{background:var(--canvas);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px;font-size:12px;cursor:pointer}.sidebar-footer button:hover{background:var(--line)}.topbar{height:52px;flex-shrink:0;display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:0 20px;background:var(--card);border-bottom:1px solid var(--line)}.bell-wrap{position:relative}.bell-btn{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:var(--card);cursor:pointer;display:flex;align-items:center;justify-content:center;position:relative}.bell-btn:hover{background:var(--canvas)}.bell-dot{position:absolute;top:6px;right:6px;width:8px;height:8px;border-radius:50%;background:var(--danger);border:1.5px solid var(--card)}.bell-panel{position:absolute;top:42px;right:0;width:340px;max-height:420px;overflow-y:auto;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 16px 40px -12px #14121a40;z-index:40}.bell-panel-header{padding:12px 16px;font-size:13px;font-weight:700;border-bottom:1px solid var(--line)}.bell-item{display:flex;align-items:flex-start;gap:10px;padding:11px 16px;border-bottom:1px solid var(--line);cursor:pointer;text-align:left;width:100%;background:none;border-left:none;border-right:none;border-top:none}.bell-item:last-child{border-bottom:none}.bell-item:hover{background:var(--canvas)}.bell-item-icon{width:28px;height:28px;border-radius:8px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:13px}.bell-item-title{font-size:12.5px;font-weight:600;color:var(--ink)}.bell-item-sub{font-size:11.5px;color:var(--muted);margin-top:2px}.bell-empty{padding:24px 16px;text-align:center;color:var(--muted);font-size:12.5px}.main{flex:1;min-width:0;display:flex;flex-direction:column}.main-content{padding:24px 28px 48px}.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:18px;gap:16px}.page-title{font-size:19px;font-weight:700;color:var(--ink);margin:0 0 3px}.page-subtitle{font-size:12.5px;color:var(--secondary);margin:0}.toolbar,.filter-bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:14px}.filter-select,.search-input{padding:8px 14px;border-radius:20px;border:1px solid var(--line);background:var(--card);font-size:12.5px;color:var(--ink)}.filter-select:focus,.search-input:focus{outline:none;border-color:var(--primary)}.search-input{flex:1;min-width:200px;max-width:320px}.btn{border:none;border-radius:8px;padding:8px 14px;font-size:12.5px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--card);color:var(--ink);border:1px solid var(--line)}.btn-secondary:hover{background:var(--canvas)}.btn-danger{background:var(--danger-soft);color:var(--danger)}.btn-danger:hover{background:#f7d9da}.btn-success{background:var(--success-soft);color:var(--success)}.btn-success:hover{background:#d5f0e0}.btn-sm{padding:6px 10px;font-size:11.5px;border-radius:7px}.data-table-wrap{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}.data-table{width:100%;border-collapse:collapse}.data-table th{text-align:left;font-size:10.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);padding:10px 14px;border-bottom:1px solid var(--line);background:var(--canvas);white-space:nowrap}.data-table td{padding:11px 14px;border-bottom:1px solid var(--line);font-size:12.5px;color:var(--ink);vertical-align:middle}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:var(--canvas)}.cell-muted{color:var(--muted);font-size:11.5px}.cell-actions{display:flex;gap:6px;justify-content:flex-end}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px}.list{display:flex;flex-direction:column;gap:8px}.row-card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px;display:flex;align-items:center;gap:12px}.row-avatar{width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:13px;flex-shrink:0}.row-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.row-title{font-size:13px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row-meta{font-size:11px;color:var(--secondary)}.row-actions{display:flex;gap:6px;flex-shrink:0}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:10.5px;font-weight:700;letter-spacing:.02em;text-transform:uppercase}.badge-pending{background:var(--warning-soft);color:var(--warning)}.badge-approved{background:var(--success-soft);color:var(--success)}.badge-rejected{background:var(--danger-soft);color:var(--danger)}.badge-open{background:var(--success-soft);color:var(--success)}.badge-closed{background:var(--danger-soft);color:var(--danger)}.badge-student{background:var(--primary-soft);color:var(--primary)}.badge-organization{background:#e6f0fb;color:#1d64c9}.badge-new{background:var(--primary-soft);color:var(--primary)}.empty-state{padding:44px 20px;text-align:center;color:var(--muted);font-size:12.5px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-field{display:flex;flex-direction:column;gap:5px}.form-field.full{grid-column:1 / -1}.form-field label{font-size:11.5px;font-weight:600;color:var(--secondary)}.form-field input,.form-field textarea,.form-field select{padding:8px 11px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--ink);font-size:12.5px}.form-field textarea{resize:vertical;min-height:74px}.form-actions{display:flex;gap:8px;margin-top:16px;justify-content:flex-start}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#14121a80;display:flex;align-items:flex-start;justify-content:center;padding:40px 20px;overflow-y:auto;z-index:40}.modal-panel{background:var(--card);border-radius:14px;padding:22px 24px;width:100%;max-width:640px;margin:auto}.modal-title{font-size:15.5px;font-weight:700;margin:0 0 14px}.status-line{font-size:12px;padding:8px 11px;border-radius:8px;margin-top:10px}.status-error{background:var(--danger-soft);color:var(--danger)}.status-success{background:var(--success-soft);color:var(--success)}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--canvas)}.login-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:32px 28px;width:100%;max-width:340px;box-shadow:0 16px 40px -20px #14121a26}.login-title{font-size:17px;font-weight:700;margin:14px 0 4px;text-align:center}.login-subtitle{font-size:12px;color:var(--secondary);text-align:center;margin:0 0 20px}.login-icon{width:46px;height:46px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:19px;margin:0 auto}.loading-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12.5px;background:var(--canvas)}.small-muted{font-size:11px;color:var(--muted)}.section-divider{border:none;border-top:1px solid var(--line);margin:20px 0}.action-list{display:flex;flex-direction:column;gap:6px;margin-bottom:24px}.action-item{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:10px;border:1px solid var(--line);background:var(--card);cursor:pointer;font-size:12.5px;color:var(--ink);text-align:left;width:100%}.action-item:hover{border-color:var(--primary);background:var(--primary-soft)}.action-count{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 6px;border-radius:7px;background:var(--warning-soft);color:var(--warning);font-weight:700;font-size:11px}.action-arrow{margin-left:auto;color:var(--muted)}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat-card{display:flex;flex-direction:column;align-items:flex-start;gap:3px;padding:16px 18px;border-radius:12px;border:1px solid var(--line);background:var(--card);cursor:pointer;text-align:left}.stat-card:hover{border-color:var(--primary)}.stat-card-static{cursor:default}.stat-card-static:hover{border-color:var(--line)}.stat-value{font-size:23px;font-weight:800;color:var(--ink)}.stat-label{font-size:11.5px;font-weight:600;color:var(--secondary)}.stat-sub{font-size:10.5px;color:var(--muted)}@media (max-width: 960px){.stat-grid{grid-template-columns:1fr 1fr}}@media (max-width: 860px){.app-shell{flex-direction:column}.sidebar{width:100%;flex-direction:row;overflow-x:auto;padding:10px}.sidebar-brand,.sidebar-brand-sub,.sidebar-footer,.nav-group-label{display:none}.main-content{padding:16px}.form-grid{grid-template-columns:1fr}}