:root{--font-sans: "DM Sans", system-ui, -apple-system, sans-serif;--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-border-strong: #cbd5e1;--color-text: #0f172a;--color-text-muted: #64748b;--color-text-subtle: #94a3b8;--color-primary: #0d9488;--color-primary-hover: #0f766e;--color-primary-light: #ccfbf1;--color-accent: #f59e0b;--color-accent-light: #fef3c7;--color-danger: #dc2626;--color-danger-light: #fee2e2;--color-success: #16a34a;--color-success-light: #dcfce7;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 18px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);--shadow-md: 0 4px 6px -1px rgba(15, 23, 42, .07), 0 2px 4px -2px rgba(15, 23, 42, .05);--shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, .08), 0 4px 6px -4px rgba(15, 23, 42, .05);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px}*{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);font-size:15px;line-height:1.5;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}#root{min-height:100vh}h1,h2,h3,h4{margin:0;font-weight:600;color:var(--color-text)}h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.1rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);font-family:inherit;font-size:.9375rem;font-weight:500;line-height:1.4;border:none;border-radius:var(--radius-md);cursor:pointer;transition:background .15s,box-shadow .15s}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover);box-shadow:var(--shadow-sm)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-bg);border-color:var(--color-border-strong)}.btn-ghost{background:transparent;color:var(--color-text-muted)}.btn-ghost:hover:not(:disabled){background:var(--color-primary-light);color:var(--color-primary)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-sm{padding:var(--space-1) var(--space-3);font-size:.875rem}.btn-lg{padding:var(--space-3) var(--space-6);font-size:1rem}.input,.select,.textarea{width:100%;padding:var(--space-2) var(--space-3);font-family:inherit;font-size:.9375rem;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color .15s,box-shadow .15s}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.input::placeholder,.textarea::placeholder{color:var(--color-text-subtle)}.label{display:block;margin-bottom:var(--space-1);font-size:.875rem;font-weight:500;color:var(--color-text-muted)}.form-group{margin-bottom:var(--space-4)}.checkbox-group{display:flex;align-items:flex-start;gap:var(--space-3)}.checkbox-group input[type=checkbox]{width:18px;height:18px;margin-top:2px;accent-color:var(--color-primary);cursor:pointer}.checkbox-group label{font-size:.9375rem;color:var(--color-text);cursor:pointer}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.card-body{padding:var(--space-5)}.card-header{padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--color-border);font-weight:600;font-size:1rem}.page{max-width:1200px}.page-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-4);margin-bottom:var(--space-6)}.page-title{font-size:1.5rem;font-weight:600;color:var(--color-text)}.page-subtitle{margin-top:var(--space-1);font-size:.9375rem;color:var(--color-text-muted)}.table-wrap{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--color-border);background:var(--color-surface)}.table{width:100%;border-collapse:collapse;font-size:.9375rem}.table th{padding:var(--space-3) var(--space-4);text-align:left;font-weight:600;color:var(--color-text-muted);background:var(--color-bg);border-bottom:1px solid var(--color-border)}.table td{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border)}.table tbody tr:last-child td{border-bottom:none}.table tbody tr:hover{background:var(--color-bg)}.badge{display:inline-flex;align-items:center;padding:2px 8px;font-size:.75rem;font-weight:500;border-radius:999px}.badge-success{background:var(--color-success-light);color:var(--color-success)}.badge-warning{background:var(--color-accent-light);color:#b45309}.badge-danger{background:var(--color-danger-light);color:var(--color-danger)}.badge-neutral{background:var(--color-bg);color:var(--color-text-muted)}.tabs{display:flex;gap:var(--space-1);margin-bottom:var(--space-5);border-bottom:1px solid var(--color-border)}.tab{padding:var(--space-2) var(--space-4);font-size:.9375rem;font-weight:500;color:var(--color-text-muted);background:none;border:none;border-bottom:2px solid transparent;margin-bottom:-1px;cursor:pointer;transition:color .15s,border-color .15s}.tab:hover{color:var(--color-text)}.tab.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.empty-state{text-align:center;padding:var(--space-8);color:var(--color-text-muted);font-size:.9375rem}.progress-bar{height:8px;background:var(--color-border);border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:var(--color-primary);border-radius:999px;transition:width .3s}.progress-fill.warning{background:var(--color-accent)}.progress-fill.danger{background:var(--color-danger)}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;flex-shrink:0}.sidebar-brand{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-5);border-bottom:1px solid var(--color-border)}.sidebar-logo{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--color-primary-light);color:var(--color-primary);font-size:1.25rem;border-radius:var(--radius-md)}.sidebar-name{font-weight:700;font-size:1.25rem;color:var(--color-text)}.sidebar-nav{flex:1;padding:var(--space-3);display:flex;flex-direction:column;gap:var(--space-1)}.nav-item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-3);font-size:.9375rem;font-weight:500;color:var(--color-text-muted);text-decoration:none;border-radius:var(--radius-md);transition:background .15s,color .15s}.nav-item:hover{background:var(--color-bg);color:var(--color-text)}.nav-item.active{background:var(--color-primary-light);color:var(--color-primary)}.nav-icon{font-size:1.1rem}.sidebar-footer{padding:var(--space-4);border-top:1px solid var(--color-border)}.user-pill{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);background:var(--color-bg);border-radius:var(--radius-md)}.user-avatar{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--color-primary);color:#fff;font-size:.875rem;font-weight:600;border-radius:50%}.user-name{font-size:.875rem;font-weight:500;color:var(--color-text)}.main{flex:1;padding:var(--space-6);overflow-x:hidden}.onboarding{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-6)}.onboarding-card{max-width:440px;width:100%}.onboarding-progress{display:flex;gap:var(--space-2);padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--color-border);overflow-x:auto}.onboarding-step{display:flex;align-items:center;gap:var(--space-1);font-size:.75rem;color:var(--color-text-subtle)}.onboarding-step.active{color:var(--color-primary)}.onboarding-step.current .onboarding-step-num{background:var(--color-primary);color:#fff}.onboarding-step-num{width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--color-border);font-weight:600}.onboarding-body{padding:var(--space-6)}.onboarding-title{font-size:1.35rem;margin-bottom:var(--space-2)}.onboarding-desc{color:var(--color-text-muted);margin-bottom:var(--space-5);font-size:.9375rem}.onboarding-cta{margin-right:var(--space-2);margin-bottom:var(--space-2)}.section-title{font-size:1.1rem;margin-bottom:var(--space-4);color:var(--color-text)}.profile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--space-5)}.profile-card{transition:box-shadow .2s}.profile-card:hover{box-shadow:var(--shadow-md)}.profile-card-header{display:flex;align-items:flex-start;gap:var(--space-4);margin-bottom:var(--space-4)}.profile-avatar{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:var(--color-primary-light);color:var(--color-primary);font-weight:700;font-size:1.25rem;border-radius:var(--radius-lg);flex-shrink:0}.profile-name{margin:0 0 var(--space-1);font-size:1.1rem}.profile-meta{margin:0;font-size:.875rem;color:var(--color-text-muted)}.profile-screen-time{margin-bottom:var(--space-4)}.profile-screen-time-labels{display:flex;justify-content:space-between;font-size:.875rem;color:var(--color-text-muted);margin-bottom:var(--space-1)}.profile-card-actions{display:flex;gap:var(--space-2);flex-wrap:wrap}.profiles-section{margin-top:var(--space-4)}.request-list{display:flex;flex-direction:column;gap:var(--space-4)}.request-card .card-body{padding:var(--space-4)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a66;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--space-4)}.modal{max-width:440px;width:100%;max-height:90vh;overflow-y:auto}.auth-notice{padding:var(--space-3);background:var(--color-primary-light);border-radius:var(--radius-md);font-size:.875rem;color:var(--color-text);margin-bottom:var(--space-4)}.pairing-code-box{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-4);background:var(--color-bg);border:2px dashed var(--color-primary);border-radius:var(--radius-lg)}.pairing-code{font-size:1.75rem;font-weight:700;letter-spacing:.2em;font-family:var(--font-sans);color:var(--color-primary)}.demo-banner{padding:var(--space-3) var(--space-4);background:var(--color-accent-light);border-radius:var(--radius-md);font-size:.875rem;color:#92400e;margin-bottom:var(--space-4);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-2)}