*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root {
      --bg: #FAF6F3;
      --white: #FFFFFF;
      --accent: #7A1D3E;
      --accent2: #C73E6B;
      --gradient: linear-gradient(135deg, #7A1D3E, #C73E6B);
      --dark: #18132A;
      --body: #5A5470;
      --muted: #9B95A8;
      --border: #EBE5E0;
    }
    body {
      font-family: 'DM Sans', sans-serif;
      background: var(--bg);
      color: var(--body);
      line-height: 1.6;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    /* ── Nav ── */
    .nav {
      position: sticky; top: 0; z-index: 100;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border);
      padding: 0 24px;
    }
    .nav-inner {
      max-width: 1100px; margin: 0 auto;
      display: flex; align-items: center; justify-content: space-between; height: 64px;
    }
    .nav-logo {
      display: flex; align-items: center; gap: 10px;
      text-decoration: none; color: var(--dark);
      font-family: 'DM Serif Display', serif; font-size: 18px;
    }
    .nav-logo img { height: 32px; width: auto; }
    .btn-accent {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 10px 28px; border-radius: 100px;
      background: var(--gradient); color: #fff;
      font-family: 'DM Sans', sans-serif; font-weight: 600; font-size: 14px;
      text-decoration: none; border: none; cursor: pointer;
      transition: opacity 0.2s, transform 0.2s;
    }
    .btn-accent:hover { opacity: 0.9; transform: translateY(-1px); }
    .btn-outline {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 10px 28px; border-radius: 100px;
      background: var(--white); color: var(--accent);
      font-family: 'DM Sans', sans-serif; font-weight: 600; font-size: 14px;
      text-decoration: none; border: 2px solid var(--accent); cursor: pointer;
      transition: all 0.2s;
    }
    .btn-outline:hover { background: rgba(122,29,62,0.04); }

    /* ── Main ── */
    .page-wrapper {
      flex: 1; max-width: 780px; margin: 0 auto;
      padding: 48px 24px 80px; width: 100%;
    }
    .page-title {
      font-family: 'DM Serif Display', serif;
      font-size: clamp(1.8rem, 3.5vw, 2.6rem);
      color: var(--dark); margin-bottom: 8px;
    }
    .page-subtitle {
      font-size: 16px; color: var(--body);
      margin-bottom: 12px; line-height: 1.65;
    }
    .gradient-text {
      background: var(--gradient);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }
    .client-badge {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 6px 14px; border-radius: 100px;
      background: rgba(122,29,62,0.06); color: var(--accent);
      font-size: 12px; font-weight: 600; margin-bottom: 32px;
    }

    /* ── Payment type toggle ── */
    .payment-toggle {
      display: flex; gap: 0; margin-bottom: 32px;
      background: var(--white); border-radius: 14px;
      border: 1.5px solid var(--border); overflow: hidden;
    }
    .toggle-btn {
      flex: 1; padding: 14px 20px; text-align: center;
      font-family: 'DM Sans', sans-serif; font-weight: 600; font-size: 14px;
      color: var(--body); background: none; border: none; cursor: pointer;
      transition: all 0.25s;
    }
    .toggle-btn.active {
      background: var(--accent); color: #fff;
    }
    .toggle-btn:not(.active):hover { background: rgba(122,29,62,0.04); }

    /* ── Panel sections ── */
    .panel { display: none; }
    .panel.active { display: block; }

    /* ── Cards ── */
    .option-card {
      background: var(--white); border: 2px solid var(--border);
      border-radius: 16px; padding: 28px 24px; cursor: pointer;
      transition: all 0.25s; position: relative;
    }
    .option-card:hover { border-color: var(--accent); transform: translateY(-2px); }
    .option-card.selected {
      border-color: var(--accent);
      background: rgba(122,29,62,0.02);
      box-shadow: 0 0 0 3px rgba(122,29,62,0.08);
    }
    .option-card.selected::after {
      content: ''; position: absolute; top: 14px; right: 14px;
      width: 22px; height: 22px; border-radius: 50%;
      background: var(--accent)
        url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='20 6 9 17 4 12' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")
        no-repeat center;
    }
    .card-name { font-weight: 700; font-size: 16px; color: var(--dark); margin-bottom: 4px; }
    .card-price { font-family: 'DM Serif Display', serif; font-size: 28px; color: var(--dark); }
    .card-period { font-size: 12px; color: var(--muted); margin-bottom: 10px; }
    .card-desc { font-size: 13px; color: var(--body); line-height: 1.55; }
    .card-includes { margin-top: 12px; }
    .card-includes li {
      display: flex; align-items: flex-start; gap: 8px;
      font-size: 12.5px; color: var(--body); padding: 3px 0;
      list-style: none;
    }
    .card-includes svg { flex-shrink: 0; margin-top: 2px; }

    /* ── Months selector ── */
    .months-row {
      display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap;
    }
    .month-chip {
      padding: 8px 18px; border-radius: 100px;
      border: 1.5px solid var(--border); background: var(--white);
      font-family: 'DM Sans', sans-serif; font-size: 13px; font-weight: 600;
      color: var(--body); cursor: pointer; transition: all 0.2s;
    }
    .month-chip:hover { border-color: var(--accent); }
    .month-chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }

    /* ── Form ── */
    .form-section {
      background: var(--white); border-radius: 20px;
      padding: 36px 32px; border: 1px solid var(--border); margin-top: 32px;
    }
    .form-row {
      display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px;
    }
    .form-group { display: flex; flex-direction: column; gap: 6px; }
    .form-group.full { grid-column: 1 / -1; }
    .form-label { font-size: 13px; font-weight: 600; color: var(--dark); }
    .form-input {
      padding: 12px 16px; border-radius: 12px;
      border: 1.5px solid var(--border);
      font-family: 'DM Sans', sans-serif; font-size: 14px;
      color: var(--dark); background: var(--white);
      transition: border-color 0.2s; outline: none;
    }
    .form-input:focus { border-color: var(--accent); }
    .form-input::placeholder { color: var(--muted); }
    .form-summary {
      background: var(--bg); border-radius: 12px;
      padding: 20px; margin: 24px 0;
    }
    .form-summary-row {
      display: flex; justify-content: space-between;
      font-size: 14px; padding: 4px 0;
    }
    .form-summary-row.total {
      font-weight: 700; font-size: 16px; color: var(--dark);
      border-top: 1.5px solid var(--border);
      margin-top: 8px; padding-top: 12px;
    }
    .form-error {
      display: none;
      background: rgba(220,38,38,0.06); border: 1px solid rgba(220,38,38,0.12);
      color: #DC2626; padding: 12px 16px; border-radius: 10px;
      font-size: 13px; margin-bottom: 16px;
    }
    .form-note {
      font-size: 12px; color: var(--muted);
      text-align: center; margin-top: 16px; line-height: 1.5;
    }
    .secure-badge {
      display: flex; align-items: center; justify-content: center; gap: 6px;
      font-size: 12px; color: var(--muted); margin-top: 12px;
    }

    /* ── Management panel ── */
    .manage-section {
      margin-top: 48px; padding-top: 48px;
      border-top: 2px solid var(--border);
    }
    .lookup-row {
      display: flex; gap: 12px; margin-top: 16px;
    }
    .lookup-row .form-input { flex: 1; }
    .sub-card {
      background: var(--white); border-radius: 16px;
      border: 1px solid var(--border); padding: 28px;
      margin-top: 16px;
    }
    .sub-status {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 4px 12px; border-radius: 100px;
      font-size: 12px; font-weight: 700; text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .sub-status.active { background: rgba(16,185,129,0.1); color: #059669; }
    .sub-status.cancelled { background: rgba(220,38,38,0.08); color: #DC2626; }
    .sub-status.completed { background: rgba(99,102,241,0.1); color: #6366F1; }
    .sub-status.pending { background: rgba(245,158,11,0.1); color: #D97706; }
    .sub-detail-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 16px; margin: 20px 0;
    }
    .sub-detail label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); font-weight: 600; }
    .sub-detail p { font-size: 15px; color: var(--dark); font-weight: 600; margin-top: 2px; }
    .payment-row {
      display: flex; justify-content: space-between; align-items: center;
      padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 13px;
    }
    .payment-row:last-child { border-bottom: none; }

    /* ── Verification flow ── */
    .verify-step { display: none; }
    .verify-step.active { display: block; }
    .code-input-group {
      display: flex; gap: 8px; margin-top: 16px;
    }
    .code-input {
      flex: 1; text-align: center; font-size: 24px; font-weight: 700;
      letter-spacing: 8px; font-family: 'DM Sans', monospace;
      padding: 14px 16px; border: 1.5px solid var(--border);
      border-radius: 12px; background: var(--white);
      color: var(--dark); transition: border-color 0.2s;
    }
    .code-input:focus { border-color: var(--accent); outline: none; }
    .code-input::placeholder { letter-spacing: 4px; font-size: 16px; color: var(--muted); }
    .verify-info {
      display: flex; align-items: flex-start; gap: 12px;
      background: rgba(122,29,62,0.04); border: 1px solid rgba(122,29,62,0.1);
      border-radius: 12px; padding: 16px; margin-top: 16px; font-size: 13px;
      color: var(--body); line-height: 1.5;
    }
    .verify-info svg { flex-shrink: 0; margin-top: 1px; }
    .resend-link {
      color: var(--accent); font-weight: 600; cursor: pointer;
      background: none; border: none; font-size: 13px;
      text-decoration: underline; padding: 0;
    }
    .resend-link:hover { color: var(--accent2); }
    .resend-link:disabled { color: var(--muted); cursor: not-allowed; text-decoration: none; }
    .verify-back {
      color: var(--muted); font-size: 13px; cursor: pointer;
      background: none; border: none; margin-top: 12px;
      text-decoration: underline; padding: 0;
    }
    .verify-back:hover { color: var(--body); }

    .cancel-modal {
      display: none; position: fixed; inset: 0; z-index: 1000;
      background: rgba(24,19,42,0.5); backdrop-filter: blur(4px);
      align-items: center; justify-content: center; padding: 24px;
    }
    .cancel-modal.show { display: flex; }
    .cancel-box {
      background: var(--white); border-radius: 20px;
      padding: 36px; max-width: 440px; width: 100%;
      box-shadow: 0 20px 60px rgba(24,19,42,0.2);
    }
    .cancel-reasons { display: flex; flex-direction: column; gap: 8px; margin: 16px 0; }
    .cancel-reason-btn {
      padding: 12px 16px; border-radius: 10px;
      border: 1.5px solid var(--border); background: var(--white);
      font-family: 'DM Sans', sans-serif; font-size: 13px; color: var(--body);
      cursor: pointer; text-align: left; transition: all 0.2s;
    }
    .cancel-reason-btn:hover { border-color: var(--accent); }
    .cancel-reason-btn.selected { border-color: var(--accent); background: rgba(122,29,62,0.03); color: var(--dark); font-weight: 600; }
    .btn-danger {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      padding: 12px 28px; border-radius: 100px;
      background: #DC2626; color: #fff;
      font-family: 'DM Sans', sans-serif; font-weight: 600; font-size: 14px;
      border: none; cursor: pointer; transition: opacity 0.2s; width: 100%;
    }
    .btn-danger:hover { opacity: 0.9; }
    .btn-ghost {
      display: inline-flex; align-items: center; justify-content: center;
      padding: 12px 28px; border-radius: 100px;
      background: none; color: var(--body);
      font-family: 'DM Sans', sans-serif; font-weight: 600; font-size: 14px;
      border: none; cursor: pointer; width: 100%;
    }

    /* ── Footer ── */
    .page-footer {
      text-align: center; padding: 24px;
      font-size: 12px; color: var(--muted);
      border-top: 1px solid var(--border);
    }
    .page-footer a { color: var(--accent); text-decoration: none; }

    /* ── FAQ Accordion ── */
    .faq-item {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
      transition: border-color 0.2s;
    }
    .faq-item:hover { border-color: rgba(122,29,62,0.18); }
    .faq-toggle {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      padding: 18px 20px;
      background: none;
      border: none;
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      font-weight: 600;
      font-size: 14px;
      color: var(--dark);
      text-align: left;
      gap: 12px;
      line-height: 1.4;
    }
    .faq-icon {
      flex-shrink: 0;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: rgba(122,29,62,0.06);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: transform 0.3s, background 0.3s;
    }
    .faq-icon svg {
      width: 12px;
      height: 12px;
      stroke: var(--accent);
      stroke-width: 2.5;
      transition: transform 0.3s;
    }
    .faq-item.open .faq-icon {
      background: var(--accent);
      transform: rotate(45deg);
    }
    .faq-item.open .faq-icon svg { stroke: #fff; }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.3s ease;
      padding: 0 20px;
    }
    .faq-item.open .faq-answer {
      max-height: 200px;
      padding: 0 20px 18px;
    }
    .faq-answer p {
      font-size: 13px;
      color: var(--body);
      line-height: 1.6;
    }

    @media (max-width: 600px) {
      .form-row { grid-template-columns: 1fr; }
      .form-section { padding: 28px 20px; }
      .card-price { font-size: 24px; }
      .options-grid { grid-template-columns: 1fr !important; }
      .sub-detail-grid { grid-template-columns: 1fr; }
      .lookup-row { flex-direction: column; }
    }