:root{--color-safety-green:#34c759;--color-alert-amber:#ff9500;--color-emergency-red:#ff3b30;--color-bg:#f9f5f1;--color-surface:#fff;--color-text-primary:#1a1a1a;--color-text-secondary:#666;--color-text-tertiary:#999;--color-border:#e5e5e5;--color-cyan:#00d4ff;--font-stack:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--radius:12px;--radius-sm:8px;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--spacing-2xl:48px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body,html{font-family:var(--font-stack);background:var(--color-bg);color:var(--color-text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}.container{max-width:640px;margin:0 auto;padding:var(--spacing-md)}.card{background:var(--color-surface);border-radius:var(--radius);padding:var(--spacing-lg);margin-bottom:var(--spacing-md);box-shadow:0 1px 3px rgba(0,0,0,.06)}.card-header{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-tertiary);margin-bottom:var(--spacing-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius-sm);font-size:1rem;font-weight:600;border:none;cursor:pointer;transition:opacity .15s ease;width:100%}.btn:hover{opacity:.85}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-cyan);color:#fff}.btn-outline{background:transparent;color:var(--color-text-primary)}.btn-outline,.input{border:1.5px solid var(--color-border)}.input{width:100%;padding:12px var(--spacing-md);border-radius:var(--radius-sm);font-size:1rem;font-family:var(--font-stack);outline:none;transition:border-color .15s ease}.input:focus{border-color:var(--color-cyan)}.form-group{margin-bottom:var(--spacing-md)}.form-label{display:block;font-size:.875rem;font-weight:500;color:var(--color-text-secondary);margin-bottom:var(--spacing-xs)}.badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;font-size:.75rem;font-weight:600}.badge-green{background:#e8f8ed;color:#1b7a3d}.badge-amber{background:#fff3e0;color:#b36b00}.badge-red{background:#ffe5e5;color:#c62828}.badge-gray{background:#f0f0f0;color:#666}.alert-banner{border-radius:var(--radius);padding:var(--spacing-md) var(--spacing-lg);margin-bottom:var(--spacing-md);font-weight:500}.alert-banner.reminder{background:#e8f8ed;border-left:4px solid var(--color-safety-green);color:#1b7a3d}.alert-banner.urgent{background:#fff3e0;border-left:4px solid var(--color-alert-amber);color:#b36b00}.alert-banner.emergency{background:#ffe5e5;border-left:4px solid var(--color-emergency-red);color:#c62828}.nav{display:flex;gap:var(--spacing-md);padding:var(--spacing-md) 0;border-bottom:1px solid var(--color-border);margin-bottom:var(--spacing-lg)}.nav a{text-decoration:none;color:var(--color-text-secondary);font-weight:500;font-size:.9375rem;padding-bottom:var(--spacing-xs);border-bottom:2px solid transparent;transition:all .15s ease}.nav a.active,.nav a:hover{color:var(--color-text-primary);border-bottom-color:var(--color-cyan)}.timeline{list-style:none}.timeline-item{display:flex;gap:var(--spacing-md);padding:var(--spacing-md) 0;border-bottom:1px solid var(--color-border)}.timeline-item:last-child{border-bottom:none}.timeline-dot{width:10px;height:10px;border-radius:50%;margin-top:6px;flex-shrink:0}.timeline-dot.confirmed{background:var(--color-safety-green)}.timeline-dot.missed{background:var(--color-emergency-red)}.timeline-content{flex:1 1}.timeline-time{font-size:.8125rem;color:var(--color-text-tertiary)}.timeline-status{font-weight:500}.timeline-method{font-size:.8125rem;color:var(--color-text-secondary)}.auth-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-md)}.auth-card{width:100%;max-width:400px}.auth-logo{text-align:center;margin-bottom:var(--spacing-xl)}.auth-logo h1{font-size:1.75rem;font-weight:700;letter-spacing:-.02em}.auth-logo p{font-size:.9375rem;margin-top:var(--spacing-xs)}.auth-logo p,.auth-message{color:var(--color-text-secondary)}.auth-message{text-align:center;padding:var(--spacing-lg)}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.dashboard-header h1{font-size:1.5rem;font-weight:700}.sign-out-btn{background:none;border:none;color:var(--color-text-tertiary);font-size:.875rem;cursor:pointer}.sign-out-btn:hover{color:var(--color-text-primary)}.status-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-sm)}.status-label{color:var(--color-text-secondary);font-size:.875rem}.status-value{font-weight:600}.alert-list{list-style:none}.alert-item{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-sm) 0;border-bottom:1px solid var(--color-border)}.alert-item:last-child{border-bottom:none}.alert-item-left{display:flex;align-items:center;gap:var(--spacing-sm)}.alert-time{font-size:.8125rem}.alert-time,.loading{color:var(--color-text-tertiary)}.loading{display:flex;align-items:center;justify-content:center;min-height:200px}.empty-state{text-align:center;padding:var(--spacing-2xl) var(--spacing-lg);color:var(--color-text-tertiary)}.empty-state p{font-size:.9375rem}.filter-bar{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-md);overflow-x:auto}.filter-chip{padding:4px 12px;border-radius:999px;font-size:.8125rem;font-weight:500;border:1.5px solid var(--color-border);background:var(--color-surface);cursor:pointer;white-space:nowrap;transition:all .15s ease}.filter-chip.active,.filter-chip:hover{border-color:var(--color-cyan);color:var(--color-cyan)}@media (max-width:480px){.container{padding:var(--spacing-sm)}.card{padding:var(--spacing-md)}.dashboard-header h1{font-size:1.25rem}}