:root{--background-dark:#fff;--surface-color:#fff;--border-color:#e5e7eb;--text-primary:#111827;--text-secondary:#6b7280;--primary-color:#000;--primary-hover:#374151;--accent-color:#f3f4f6;--success-color:#10b981;--danger-color:#ef4444;--glass-bg:#fff;--glass-border:#e5e7eb;--glass-shadow:0 4px 6px -1px #0000000d, 0 2px 4px -1px #00000008}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background-dark);color:var(--text-primary);flex-direction:column;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,Helvetica,Arial,sans-serif;display:flex}h1,h2,h3,h4,h5,h6{color:var(--text-primary);margin-bottom:1rem;font-weight:700;line-height:1.2}h1{letter-spacing:-.025em;font-size:2.5rem}.glass-panel{background:var(--glass-bg);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-radius:8px}.glass-card{background:var(--surface-color);border:1px solid var(--glass-border);border-radius:8px;transition:box-shadow .2s,border-color .2s}.glass-card:hover{border-color:#d1d5db;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}input,select,button{font-family:inherit;font-size:1rem}input,select{border:1px solid var(--border-color);width:100%;color:var(--text-primary);background:#fff;border-radius:6px;outline:none;padding:.75rem 1rem;transition:border-color .2s,box-shadow .2s}input:focus,select:focus{border-color:var(--primary-color);box-shadow:0 0 0 1px var(--primary-color)}.btn{cursor:pointer;border:1px solid #0000;border-radius:6px;outline:none;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-weight:500;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{color:var(--text-primary);border:1px solid var(--border-color);background:#fff}.btn-secondary:hover{background:var(--accent-color)}.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.admin-nav{background:var(--surface-color);border-bottom:1px solid var(--border-color);z-index:50;position:sticky;top:0}.admin-nav-inner{align-items:center;gap:2rem;max-width:1200px;height:60px;margin:0 auto;padding:0 2rem;display:flex}.admin-nav-brand{letter-spacing:-.01em;white-space:nowrap;font-size:.95rem;font-weight:700}.admin-nav-links{flex:1;gap:.25rem;display:flex}.admin-nav-link{color:var(--text-secondary);border-radius:6px;padding:.4rem .75rem;font-size:.875rem;font-weight:500;text-decoration:none;transition:background .15s,color .15s}.admin-nav-link:hover{background:var(--accent-color);color:var(--text-primary)}.admin-nav-link.active{background:var(--text-primary);color:var(--surface-color)}.admin-nav-logout{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:.4rem .6rem;font-size:.85rem;transition:background .15s,color .15s}.admin-nav-logout:hover{background:var(--accent-color);color:var(--text-primary)}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1.5rem;display:flex}.data-table{border-collapse:collapse;width:100%;font-size:.9rem}.data-table th{text-align:left;text-transform:uppercase;letter-spacing:.04em;color:var(--text-secondary);border-bottom:1px solid var(--border-color);background:var(--accent-color);padding:.75rem 1.25rem;font-size:.75rem;font-weight:600}.data-table td{border-bottom:1px solid var(--border-color);padding:.75rem 1.25rem}.data-table-row{cursor:pointer;transition:background .12s}.data-table-row:hover{background:var(--accent-color)}.data-table tbody tr:last-child td{border-bottom:none}.btn-icon-danger{color:var(--danger-color);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;padding:.3rem .6rem;font-size:.8rem;font-weight:500;transition:background .15s,border-color .15s}.btn-icon-danger:hover{background:#fef2f2;border-color:#fecaca}.modal-overlay{z-index:100;background:#11182780;justify-content:center;align-items:center;width:100%;height:100%;padding:1rem;display:flex;position:fixed;top:0;left:0}.modal-panel{width:100%;max-width:480px;max-height:90vh;padding:2rem;overflow-y:auto}.flag-box{border:1px solid var(--border-color);background:var(--accent-color);border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:42px;font-size:1.75rem;display:flex}.search-dropdown{background:var(--surface-color);border:1px solid var(--border-color);box-shadow:var(--glass-shadow);z-index:10;border-radius:8px;max-height:220px;margin-top:.25rem;position:absolute;top:100%;left:0;right:0;overflow-y:auto}.search-dropdown-item{cursor:pointer;justify-content:space-between;align-items:center;padding:.6rem .9rem;font-size:.9rem;display:flex}.search-dropdown-item:hover{background:var(--accent-color)}.search-dropdown-item+.search-dropdown-item{border-top:1px solid var(--border-color)}.selected-user-chip{background:var(--accent-color);border:1px solid var(--border-color);border-radius:8px;justify-content:space-between;align-items:center;padding:.6rem .9rem;font-size:.9rem;display:flex}.tournament-list-item{border-radius:6px;flex-direction:column;align-items:flex-start;gap:.35rem;width:100%;padding:.75rem .9rem;transition:background .15s;display:flex}.tournament-list-item:hover{background:var(--accent-color)}.status-pill{text-transform:uppercase;letter-spacing:.03em;border-radius:9999px;padding:.15rem .5rem;font-size:.7rem;font-weight:600;display:inline-flex}.status-active{color:#065f46;background:#d1fae5}.status-open{color:#1e40af;background:#dbeafe}.status-started{color:#92400e;background:#fef3c7}.status-completed{background:var(--accent-color);color:var(--text-secondary)}.container{width:100%;max-width:1200px;margin:0 auto;padding:2rem}.text-center{text-align:center}.text-secondary{color:var(--text-secondary)}.mt-4{margin-top:1rem}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-8{margin-bottom:2rem}.gap-4{gap:1rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.w-full{width:100%}