*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #0077B6;--primary-dark: #005F92;--primary-light: #CAF0F8;--accent: #00B4D8;--bg: #F0F6FA;--surface: #FFFFFF;--surface-alt: #F8FAFB;--text: #1A202C;--text-secondary: #64748B;--text-light: #94A3B8;--border: #E2E8F0;--danger: #EF4444;--danger-bg: #FEF2F2;--success: #10B981;--warning: #F59E0B;--swimmer-bg: #EFF6FF;--swimmer-border: #BFDBFE;--swimmer-text: #1D4ED8;--nav-height: 64px;--header-height: 56px;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 12px rgba(0,0,0,.1)}html,body,#root{height:100%;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}body{overscroll-behavior:none}.app{display:flex;flex-direction:column;height:100%;max-width:480px;margin:0 auto;position:relative}.screen{flex:1;overflow-y:auto;padding-bottom:calc(var(--nav-height) + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch}.header{background:var(--primary);color:#fff;padding:14px 16px;padding-top:calc(14px + env(safe-area-inset-top));position:sticky;top:0;z-index:10;box-shadow:var(--shadow-md)}.header h1{font-size:20px;font-weight:700;letter-spacing:-.3px}.header-sub{font-size:13px;opacity:.8;margin-top:2px}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;height:calc(var(--nav-height) + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--border);display:flex;align-items:flex-start;padding-top:8px;z-index:100;box-shadow:0 -2px 12px #00000012}.nav-btn{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;background:none;border:none;cursor:pointer;padding:6px 4px;color:var(--text-light);font-size:11px;font-weight:500;font-family:inherit;transition:color .15s;-webkit-tap-highlight-color:transparent}.nav-btn.active{color:var(--primary)}.nav-icon{font-size:22px;line-height:1}.section{padding:16px 16px 0}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.card+.card{margin-top:10px}.card-header{padding:14px 16px;border-bottom:1px solid var(--border);font-weight:600;font-size:15px;display:flex;align-items:center;justify-content:space-between;gap:8px}.card-row{padding:13px 16px;display:flex;align-items:center;justify-content:space-between;gap:8px;border-bottom:1px solid var(--border)}.card-row:last-child{border-bottom:none}.stats-row{display:flex;gap:10px;padding:16px 16px 0}.stat-card{flex:1;background:var(--surface);border-radius:var(--radius);padding:14px 12px;text-align:center;box-shadow:var(--shadow)}.stat-value{font-size:28px;font-weight:800;color:var(--primary);line-height:1}.stat-label{font-size:11px;color:var(--text-secondary);margin-top:4px;font-weight:500}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;border-radius:var(--radius-sm);border:none;font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:opacity .15s,transform .1s;-webkit-tap-highlight-color:transparent;white-space:nowrap}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-ghost{background:transparent;color:var(--primary);padding:8px 12px}.btn-danger{background:var(--danger-bg);color:var(--danger)}.btn-danger:hover{background:#fecaca}.btn-sm{padding:6px 12px;font-size:13px}.btn-icon{padding:8px;border-radius:50%;line-height:1;font-size:18px}.btn-full{width:100%}.input{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-family:inherit;font-size:15px;background:var(--surface);color:var(--text);transition:border-color .15s;-webkit-appearance:none}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #0077b61f}.input-row{display:flex;gap:8px;align-items:center}.segmented{display:flex;background:var(--border);border-radius:var(--radius-sm);padding:3px;gap:2px}.seg-btn{flex:1;padding:8px 4px;border:none;border-radius:6px;background:transparent;font-family:inherit;font-size:12px;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all .15s;-webkit-tap-highlight-color:transparent;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.seg-btn.active{background:var(--surface);color:var(--primary);font-weight:600;box-shadow:var(--shadow)}.select{width:100%;padding:11px 40px 11px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-family:inherit;font-size:15px;background:var(--surface);color:var(--text);-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}.select:focus{outline:none;border-color:var(--primary)}.badge{display:inline-flex;align-items:center;padding:3px 8px;border-radius:20px;font-size:12px;font-weight:600}.badge-blue{background:var(--primary-light);color:var(--primary-dark)}.badge-gray{background:var(--border);color:var(--text-secondary)}.placement-rank{text-align:center;padding:20px}.rank-number{font-size:52px;font-weight:800;color:var(--primary);line-height:1}.rank-of{font-size:16px;color:var(--text-secondary);margin-top:4px}.time-list{padding:0}.time-row{display:flex;align-items:center;padding:10px 16px;border-bottom:1px solid var(--border);gap:12px}.time-row:last-child{border-bottom:none}.time-rank{font-size:13px;font-weight:600;color:var(--text-secondary);width:36px;flex-shrink:0}.time-value{font-size:16px;font-weight:600;font-variant-numeric:tabular-nums}.time-row.swimmer-row{background:var(--swimmer-bg);border-left:3px solid var(--swimmer-border)}.time-row.swimmer-row .time-rank,.time-row.swimmer-row .time-value{color:var(--swimmer-text)}.time-row.top-row{background:#fffbeb}.time-row.top-row .time-rank{color:var(--warning)}.separator-row{display:flex;align-items:center;padding:6px 16px;gap:8px}.separator-row span{color:var(--text-light);font-size:12px}.separator-line{flex:1;height:1px;background:var(--border)}.empty{text-align:center;padding:48px 24px}.empty-icon{font-size:48px;margin-bottom:12px}.empty-title{font-size:17px;font-weight:600;color:var(--text);margin-bottom:6px}.empty-sub{font-size:14px;color:var(--text-secondary);line-height:1.5}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:200;display:flex;align-items:flex-end;justify-content:center;padding:0;animation:fadeIn .15s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(60px);opacity:0}to{transform:translateY(0);opacity:1}}.dialog{background:var(--surface);border-radius:var(--radius) var(--radius) 0 0;padding:24px 20px calc(24px + env(safe-area-inset-bottom));width:100%;max-width:480px;animation:slideUp .2s ease}.dialog-title{font-size:17px;font-weight:700;margin-bottom:8px}.dialog-body{font-size:14px;color:var(--text-secondary);line-height:1.5;margin-bottom:20px}.dialog-actions{display:flex;gap:10px}.dialog-actions .btn{flex:1;padding:13px;font-size:15px}.swimmer-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;margin-bottom:10px}.swimmer-name-row{padding:14px 16px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;-webkit-tap-highlight-color:transparent;background:var(--surface);transition:background .1s}.swimmer-name-row:active{background:var(--surface-alt)}.swimmer-name{font-size:16px;font-weight:700;color:var(--primary)}.swimmer-event-row{padding:11px 16px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);cursor:pointer;-webkit-tap-highlight-color:transparent;transition:background .1s}.swimmer-event-row:active{background:var(--surface-alt)}.swimmer-event-name{font-size:14px;color:var(--text);flex:1}.swimmer-event-meta{display:flex;align-items:center;gap:8px;flex-shrink:0}.swimmer-time{font-size:14px;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums}.placement-chip{background:var(--primary-light);color:var(--primary-dark);font-size:12px;font-weight:700;padding:3px 8px;border-radius:20px}.event-expand-row{padding:13px 16px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;border-bottom:1px solid var(--border);-webkit-tap-highlight-color:transparent;transition:background .1s}.event-expand-row:last-child{border-bottom:none}.event-expand-row:active{background:var(--surface-alt)}.event-expand-detail{padding:0 0 4px;border-bottom:1px solid var(--border);background:var(--surface-alt)}.event-expand-detail:last-child{border-bottom:none}.admin-form{padding:14px 16px;display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--border)}.time-chip{display:inline-flex;align-items:flex-start;gap:6px;background:var(--surface-alt);border:1px solid var(--border);border-radius:20px;padding:5px 10px 5px 12px;font-size:13px;font-weight:500;font-variant-numeric:tabular-nums}.time-chip-delete{background:none;border:none;cursor:pointer;color:var(--text-light);font-size:16px;line-height:1;padding:0;display:flex;align-items:center;-webkit-tap-highlight-color:transparent}.time-chip-delete:hover{color:var(--danger)}.times-wrap{display:flex;flex-wrap:wrap;gap:6px;padding:12px 16px}.bulk-entry-row{display:flex;align-items:center;gap:8px;padding:6px 0}.bulk-entry-row .input{flex:1}.inline-edit{display:flex;align-items:center;gap:8px;flex:1}.swimmer-admin-row{padding:13px 16px;border-bottom:1px solid var(--border)}.swimmer-admin-row:last-child{border-bottom:none}.swimmer-admin-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.swimmer-admin-name{font-size:15px;font-weight:600}.swimmer-times-section{margin-top:10px;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}.swimmer-time-event-row{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid var(--border);gap:8px}.swimmer-time-event-row:last-child{border-bottom:none}.help-body{padding:0 16px 16px;font-size:14px;color:var(--text);line-height:1.6}.help-body p{margin-bottom:10px}.help-body p:last-child{margin-bottom:0}.help-body ol,.help-body ul{padding-left:20px;margin-bottom:10px}.help-body li{margin-bottom:4px}.help-body code{background:var(--surface-alt);border:1px solid var(--border);border-radius:4px;padding:1px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.text-secondary{color:var(--text-secondary)}.text-sm{font-size:13px}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.pb-16{padding-bottom:16px}.chevron{color:var(--text-light);font-size:18px;transition:transform .2s}.chevron.open{transform:rotate(180deg)}