:root{--brand-gradient:linear-gradient(135deg,#667eea,#764ba2);--brand:#667eea;--brand-dark:#4c51bf;--ink:#1a202c;--ink-soft:#4a5568;--surface:#ffffff;--surface-soft:#f7fafc;--border:#e2e8f0;--danger:#c53030;--success:#2f855a}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--surface-soft);line-height:1.6}a{color:var(--brand)}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--brand-gradient);padding:2rem}.card{background:var(--surface);padding:3rem;border-radius:12px;box-shadow:0 10px 40px rgba(0,0,0,.2);text-align:center;max-width:540px}.card h1{margin:0 0 1rem}.card p{color:var(--ink-soft)}.emoji{font-size:4rem;margin-bottom:1rem}.card-form{text-align:left;margin:1.5rem 0}.button{display:inline-block;margin-top:1.5rem;padding:12px 24px;background:var(--brand);color:white;text-decoration:none;border:none;border-radius:6px;font-weight:500;font-size:1rem;cursor:pointer}.button:hover{background:var(--brand-dark)}.button.secondary{background:transparent;color:var(--brand);border:1px solid var(--brand)}.dashboard{max-width:860px;margin:0 auto;padding:2rem 1.5rem 4rem}.dashboard.wide{max-width:1100px}.dashboard-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:2rem;flex-wrap:wrap}.dashboard-header h1{margin:0;font-size:1.5rem}.header-actions{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.header-actions .button{margin-top:0}.panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.5rem 2rem;margin-bottom:1.5rem}.panel h2{margin-top:0;font-size:1.1rem}.panel .hint{color:var(--ink-soft);font-size:.9rem;margin-top:.25rem}.field{display:flex;flex-direction:column;gap:.3rem;margin-bottom:1rem}.field label{font-weight:500;font-size:.9rem}.field input,.field select,.field textarea{padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:.95rem;font-family:inherit;background:var(--surface);color:var(--ink)}.field textarea{min-height:90px;resize:vertical}.field .meta{font-size:.8rem;color:var(--ink-soft)}.installation-list{list-style:none;margin:1rem 0 0;padding:0}.installation-row{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;padding:.75rem 0;border-top:1px solid var(--border)}.badge,.installation-account{font-weight:500}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.8rem}.badge.on{background:#e6fffa;color:var(--success)}.badge.off{background:#fff5f5;color:var(--danger)}.badge.neutral{background:var(--surface-soft);color:var(--ink-soft)}.table-scroll{overflow-x:auto}.portal-table{width:100%;border-collapse:collapse;margin-top:1rem;font-size:.9rem}.portal-table td,.portal-table th{text-align:left;vertical-align:top;padding:.6rem .75rem .6rem 0;border-top:1px solid var(--border);white-space:nowrap}.portal-table th{border-top:none;font-weight:500;color:var(--ink-soft)}.portal-table .row-identity{white-space:normal}.portal-table .meta,.row-actions .meta{font-size:.8rem;color:var(--ink-soft)}.row-actions{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.portal-table .button,.row-actions .button{margin-top:0;padding:6px 12px;font-size:.85rem}.row-select{padding:6px 10px;border:1px solid var(--border);border-radius:6px;font-size:.85rem;font-family:inherit;background:var(--surface);color:var(--ink)}.row-select:disabled{color:var(--ink-soft);background:var(--surface-soft)}.status-message{padding:10px 14px;border-radius:6px;font-size:.9rem;margin-bottom:1rem}.status-message.success{background:#e6fffa;color:var(--success)}.status-message.error{background:#fff5f5;color:var(--danger)}