:root{--primary: #1e3a5f;--primary-hover: #162d4a;--accent: #c9a84c;--success: #16a34a;--danger: #dc2626;--warning: #d97706;--bg: #f5f7fa;--surface: #ffffff;--border: #e5e7eb;--text: #1a1a1a;--text-muted: #6b7280;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:900px;margin:0 auto;padding:0 16px}.page{padding:24px 0}.nav{background:var(--primary);color:#fff;position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}.nav-inner{max-width:900px;margin:0 auto;padding:0 16px;height:56px;display:flex;align-items:center;justify-content:space-between}.nav-brand{font-size:1.125rem;font-weight:700;color:#fff;display:flex;align-items:center;gap:6px;cursor:pointer}.nav-brand .accent{color:var(--accent)}.nav-right{display:flex;align-items:center;gap:16px}.nav-user{font-size:.875rem;color:#ffffffbf}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:6px;border:1px solid transparent;cursor:pointer;font-size:.875rem;font-weight:500;transition:background .12s,opacity 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8px;font-size:.75rem}.btn-link{background:transparent;color:var(--primary);border:none;padding:0;font-size:inherit}.btn-link:hover{text-decoration:underline}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.875rem;font-weight:500;margin-bottom:4px}.form-input,.form-select{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:6px;font-size:.9375rem;background:var(--surface);font-family:inherit;transition:border-color .12s,box-shadow .12s}.form-input:focus,.form-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #1e3a5f1a}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.card-header{padding:14px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px}.card-title{font-size:1rem;font-weight:600}.card-body{padding:20px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;padding:10px 16px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);border-bottom:1px solid var(--border);background:var(--bg);white-space:nowrap}td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:.9375rem}tr:last-child td{border-bottom:none}tbody tr:hover td{background:#f9fafb}.tr-me td{background:#eff6ff!important;font-weight:600}.tr-me:hover td{background:#dbeafe!important}.tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:24px;overflow-x:auto;scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}.tab{padding:10px 18px;background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;font-size:.9375rem;font-weight:500;color:var(--text-muted);margin-bottom:-2px;white-space:nowrap;font-family:inherit;transition:color .12s}.tab:hover{color:var(--primary)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:.75rem;font-weight:600}.badge-blue{background:#dbeafe;color:#1e40af}.badge-green{background:#dcfce7;color:#15803d}.badge-yellow{background:#fef9c3;color:#a16207}.badge-red{background:#fee2e2;color:#b91c1c}.badge-gray{background:#f3f4f6;color:#4b5563}.badge-purple{background:#ede9fe;color:#6d28d9}.alert{padding:12px 16px;border-radius:var(--radius);font-size:.875rem;margin-bottom:16px}.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.alert-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}.alert-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}.club-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.club-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;cursor:pointer;transition:box-shadow .15s,transform .15s;display:flex;flex-direction:column;gap:6px;text-decoration:none;color:var(--text)}.club-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);text-decoration:none}.club-card-name{font-size:1.0625rem;font-weight:600}.club-card-meta{font-size:.875rem;color:var(--text-muted)}.challenge-list{display:flex;flex-direction:column;gap:12px}.challenge-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.challenge-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:10px;flex-wrap:wrap}.challenge-players{font-size:.9375rem;font-weight:600}.challenge-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary) 0%,#2d5a8e 100%);padding:24px}.login-card{background:var(--surface);border-radius:12px;padding:40px;width:100%;max-width:400px;box-shadow:0 20px 40px #0003}.login-logo{text-align:center;margin-bottom:8px;font-size:2rem}.login-title{text-align:center;margin-bottom:28px;font-size:1.25rem;font-weight:700;color:var(--primary)}.login-title span{color:var(--accent)}.page-header{display:flex;align-items:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.page-title{font-size:1.375rem;font-weight:700}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;padding:24px;z-index:200}.modal{background:var(--surface);border-radius:12px;padding:24px;width:100%;max-width:440px;box-shadow:0 25px 50px 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0}.card-body{padding:16px}th,td{padding:10px 12px}.login-card{padding:28px 20px}.hide-mobile{display:none!important}.club-grid{grid-template-columns:1fr}}