:root{--primary: #2563eb;--primary-dark: #1746b3;--primary-soft: #eaf1ff;--navy: #0b1220;--navy-soft: #172033;--ink: #121826;--secondary: #5d6678;--muted: #929baa;--canvas: #f3f6fb;--card: #ffffff;--line: #e3e8f1;--success: #0f9d77;--success-soft: #e7f7f2;--warning: #c47a12;--warning-soft: #fff5de;--danger: #d14343;--danger-soft: #fdecec}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--canvas);color:var(--ink);font-family:Segoe UI,Tahoma,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}button{font-family:inherit}input,textarea,select{font-family:inherit;font-size:14px}a{color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:232px;flex-shrink:0;background:var(--navy);color:#fff;display:flex;flex-direction:column;padding:20px 14px;gap:4px}.sidebar-brand{font-size:17px;font-weight:700;padding:6px 10px 20px;display:flex;align-items:center;gap:8px}.sidebar-brand .dot{width:9px;height:9px;border-radius:50%;background:var(--primary)}.nav-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 12px;border-radius:11px;color:#b9c4dc;font-size:13.5px;font-weight:500;cursor:pointer;border:none;background:transparent;text-align:right;width:100%}.nav-item:hover{background:var(--navy-soft);color:#fff}.nav-item.active{background:var(--primary);color:#fff}.nav-badge{background:#ffffff29;border-radius:8px;padding:1px 7px;font-size:11px;font-weight:700}.nav-item.active .nav-badge{background:#ffffff47}.sidebar-footer{margin-top:auto;padding:10px;font-size:11.5px;color:var(--muted);display:flex;flex-direction:column;gap:8px}.sidebar-footer button{background:var(--navy-soft);color:#fff;border:none;border-radius:10px;padding:9px;font-size:12.5px;cursor:pointer}.main{flex:1;min-width:0;padding:28px 34px 60px}.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:22px;gap:16px}.page-title{font-size:21px;font-weight:700;color:var(--ink);margin:0 0 4px}.page-subtitle{font-size:13px;color:var(--secondary);margin:0}.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.search-input{flex:1;min-width:200px;max-width:320px;padding:9px 13px;border-radius:11px;border:1px solid var(--line);background:var(--card)}.btn{border:none;border-radius:11px;padding:9px 16px;font-size:13px;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:#fbdada}.btn-success{background:var(--success-soft);color:var(--success)}.btn-success:hover{background:#d7f0e7}.btn-sm{padding:6px 11px;font-size:12px;border-radius:9px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px}.list{display:flex;flex-direction:column;gap:10px}.row-card{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:14px 16px;display:flex;align-items:center;gap:14px}.row-avatar{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px;flex-shrink:0}.row-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.row-title{font-size:14px;font-weight:700;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row-meta{font-size:11.5px;color:var(--secondary)}.row-actions{display:flex;gap:8px;flex-shrink:0}.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:8px;font-size:11px;font-weight:700}.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:#efedff;color:#6d4bd6}.empty-state{padding:50px 20px;text-align:center;color:var(--muted);font-size:13.5px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-field{display:flex;flex-direction:column;gap:6px}.form-field.full{grid-column:1 / -1}.form-field label{font-size:12.5px;font-weight:600;color:var(--secondary)}.form-field input,.form-field textarea,.form-field select{padding:10px 12px;border-radius:11px;border:1px solid var(--line);background:var(--card);color:var(--ink)}.form-field textarea{resize:vertical;min-height:80px}.form-actions{display:flex;gap:10px;margin-top:18px;justify-content:flex-start}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0b122073;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:20px;padding:24px 26px;width:100%;max-width:640px;margin:auto}.modal-title{font-size:17px;font-weight:700;margin:0 0 16px}.status-line{font-size:12.5px;padding:9px 12px;border-radius:10px;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(--navy)}.login-card{background:var(--card);border-radius:22px;padding:34px 30px;width:100%;max-width:360px}.login-title{font-size:19px;font-weight:700;margin:14px 0 4px;text-align:center}.login-subtitle{font-size:12.5px;color:var(--secondary);text-align:center;margin:0 0 22px}.login-icon{width:52px;height:52px;border-radius:16px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:22px;margin:0 auto}.loading-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;background:var(--navy)}.tag-chip{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:8px;background:var(--primary-soft);color:var(--primary);font-size:11.5px;font-weight:600}.small-muted{font-size:11.5px;color:var(--muted)}.section-divider{border:none;border-top:1px solid var(--line);margin:22px 0}.action-list{display:flex;flex-direction:column;gap:8px;margin-bottom:28px}.action-item{display:flex;align-items:center;gap:12px;padding:13px 16px;border-radius:13px;border:1px solid var(--line);background:var(--card);cursor:pointer;font-size:13.5px;color:var(--ink);text-align:right;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:24px;height:24px;padding:0 6px;border-radius:8px;background:var(--warning-soft);color:var(--warning);font-weight:700;font-size:12px}.action-arrow{margin-right:auto;color:var(--muted)}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat-card{display:flex;flex-direction:column;align-items:flex-start;gap:4px;padding:18px 20px;border-radius:16px;border:1px solid var(--line);background:var(--card);cursor:pointer;text-align:right}.stat-card:hover{border-color:var(--primary)}.stat-card-static{cursor:default}.stat-card-static:hover{border-color:var(--line)}.stat-value{font-size:26px;font-weight:800;color:var(--ink)}.stat-label{font-size:12.5px;font-weight:600;color:var(--secondary)}.stat-sub{font-size:11.5px;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:12px}.sidebar-brand,.sidebar-footer{display:none}.main{padding:20px}.form-grid{grid-template-columns:1fr}}