:root{--hearth: #6B4C33;--ember: #e67e22;--ember-dark: #d35400;--paper: #faf8f5;--ink: #333;--muted: #6b6b6b;--line: #e7e2db;--ok: #27ae60;--warn: #d68910}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:var(--ink);background:#f3efe9}.portal-shell{min-height:100vh;display:flex;flex-direction:column}.portal-header{background:#fff;border-bottom:1px solid var(--line);padding:16px 20px;display:flex;align-items:center;gap:10px}.portal-header .brand{font-weight:700;color:var(--hearth);font-size:18px}.portal-main{flex:1;width:100%;max-width:640px;margin:0 auto;padding:24px 16px 48px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;margin-bottom:16px}.card h2{margin:0 0 12px;color:var(--hearth);font-size:18px}.greeting{font-size:20px;font-weight:600;color:var(--hearth);margin:0 0 4px}.row{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line)}.row:last-child{border-bottom:none}.row .label{color:var(--muted)}.row .value{font-weight:600;text-align:right}.amount-due{color:var(--ember-dark)}.paid{color:var(--ok)}label.field{display:block;font-weight:600;margin-bottom:6px}input[type=email],input[type=text]{width:100%;padding:12px;border:1px solid var(--line);border-radius:8px;font-size:16px}.btn{display:inline-block;background:var(--ember);color:#fff;border:none;border-radius:8px;padding:13px 24px;font-size:16px;font-weight:600;cursor:pointer;width:100%}.btn:hover{background:var(--ember-dark)}.btn:disabled{opacity:.6;cursor:default}.btn-ghost{background:transparent;color:var(--hearth);border:1px solid var(--line)}.btn-ghost:hover{background:var(--paper)}.note{color:var(--muted);font-size:14px}.error{color:#c0392b;font-size:14px;margin-top:8px}.success{color:var(--ok)}.stripe-card{padding:12px;border:1px solid var(--line);border-radius:8px;background:#fff}.stripe-card.invalid{border-color:#c0392b}.center{text-align:center}.muted-block{color:var(--muted);padding:40px 0;text-align:center}.spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--ember);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}