:root{--indigo: #4f46e5;--indigo-dark: #4338ca;--bg: #f8fafc;--card: #ffffff;--text: #0f172a;--muted: #64748b;--border: #e2e8f0;--green: #16a34a;--amber: #d97706;--red: #dc2626;--blue: #2563eb}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(160deg,var(--indigo) 0%,var(--indigo-dark) 100%)}.login-card{width:100%;max-width:360px;background:var(--card);border-radius:16px;padding:32px 24px;box-shadow:0 20px 40px #0003;text-align:center}.login-card h1{margin:0 0 4px;color:var(--indigo);font-size:28px}.login-card .subtitle{margin:0 0 24px;color:var(--muted);font-size:14px}.login-card form{display:flex;flex-direction:column;gap:12px}.login-card input{padding:14px;border:1px solid var(--border);border-radius:10px;font-size:16px}.login-card button{padding:14px;border:none;border-radius:10px;background:var(--indigo);color:#fff;font-size:16px;font-weight:600}.login-card button:disabled{opacity:.6}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;padding-top:max(14px,env(safe-area-inset-top));background:var(--indigo);color:#fff}.topbar-title{display:flex;align-items:center;gap:8px}.logo{font-weight:700;font-size:18px}.role-badge{font-size:11px;background:#fff3;padding:2px 8px;border-radius:999px;text-transform:uppercase;letter-spacing:.5px}.logout-btn{background:#ffffff26;color:#fff;border:none;padding:8px 12px;border-radius:8px;font-size:13px}.tab-bar{display:flex;background:var(--card);border-bottom:1px solid var(--border)}.tab-btn{flex:1;padding:14px 0;background:none;border:none;color:var(--muted);font-size:14px;font-weight:600;border-bottom:2px solid transparent}.tab-btn.active{color:var(--indigo);border-bottom-color:var(--indigo)}.content{flex:1;padding:16px;padding-bottom:max(16px,env(safe-area-inset-bottom))}.loading,.empty,.error{text-align:center;color:var(--muted);padding:24px 12px}.empty.small{padding:12px}.error{color:var(--red)}.child-picker,.month-picker input{width:100%;padding:12px;border:1px solid var(--border);border-radius:10px;font-size:16px;background:var(--card);margin-bottom:16px}.month-picker{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}.session-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.session-item{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px}.session-main{display:flex;justify-content:space-between;align-items:center;gap:8px}.session-title{font-weight:600}.session-meta{color:var(--muted);font-size:13px;margin-top:6px}.status-pill{font-size:11px;padding:3px 8px;border-radius:999px;text-transform:capitalize;white-space:nowrap;background:#eef2ff;color:var(--indigo)}.status-pill.completed,.status-pill.submitted{background:#dcfce7;color:var(--green)}.status-pill.cancelled{background:#fee2e2;color:var(--red)}.status-pill.active{background:#dbeafe;color:var(--blue)}.status-pill.requested{background:#fef3c7;color:var(--amber)}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px 8px;display:flex;flex-direction:column;align-items:center;gap:4px}.stat-value{font-size:26px;font-weight:700}.stat-label{font-size:12px;color:var(--muted)}.stat-card.billable .stat-value{color:var(--green)}.stat-card.scheduled .stat-value{color:var(--indigo)}.stat-card.total{grid-column:span 3;background:var(--indigo)}.stat-card.total .stat-value,.stat-card.total .stat-label{color:#fff}.next-session{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px}.next-session h3{margin:0 0 8px;font-size:14px;color:var(--muted)}.billing-list{display:flex;flex-direction:column;gap:12px}.billing-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px}.billing-name{font-weight:600;margin-bottom:10px}.billing-rows{display:flex;flex-direction:column;gap:6px}.billing-row{display:flex;justify-content:space-between;font-size:14px;color:var(--muted)}.billing-row span:last-child{color:var(--text);font-weight:500}.billing-row.strong{border-top:1px solid var(--border);padding-top:8px;margin-top:4px}.billing-row.strong span{font-weight:700;color:var(--text);font-size:15px}.install-bar{width:100%;max-width:420px;margin:0 auto 16px}.login-screen .install-bar{margin-bottom:20px}.install-btn{display:block;width:100%;padding:14px;border:none;border-radius:10px;background:#16a34a;color:#fff;font-size:16px;font-weight:700;cursor:pointer;box-shadow:0 6px 16px #16a34a59}.install-btn:active{transform:translateY(1px)}.install-hint{background:#fff;border:1px solid var(--border);border-left:4px solid var(--indigo);border-radius:10px;padding:12px 14px;font-size:13px;color:var(--muted);line-height:1.5}.install-hint strong{color:var(--text)}.ios-share{display:inline-block;color:var(--indigo);font-weight:700}