:root {
        --red-700: #c62828;
        --red-600: #d32f2f;
        --red-500: #e53935;
        --red-100: #f0f9ff;
        --ink-900: #111827;
        --ink-700: #374151;
        --ink-500: #6b7280;
        --surface: #ffffff;

        --radius: 16px;
      }

      * { box-sizing: border-box; }
      html, body { height: 100%; }
      body {
        margin: 0; font-family: "Roboto", system-ui, -apple-system, Segoe UI, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
        color: var(--ink-900); background: linear-gradient(180deg, var(--red-100), #fff 220px);
      }
      .container {
        max-width: 1100px; margin: 0 auto; padding: 24px;
      }
      header {
        display: flex; align-items: center; gap: 16px; padding: 16px 0 8px; flex-wrap: wrap;
      }
      .brand {
        display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit;
      }
      .brand img { width: 72px; height: 72px; object-fit: contain; border-radius: 12px; background: #fff; padding: 6px; box-shadow: 0 4px 14px rgba(0,0,0,.08); }
      .brand h1 { font-size: clamp(1.25rem, 1.1rem + 1.2vw, 2rem); margin: 0; font-weight: 700; letter-spacing: .2px; }
      .brand span { display: block; font-weight: 500; color: var(--red-700); }

      .hero {
        display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px; align-items: stretch;
      }
      @media (max-width: 900px) { .hero { grid-template-columns: 1fr; } }

      .card {
        background: var(--surface); border-radius: var(--radius);
        box-shadow: 0 10px 30px rgba(0,0,0,.08); overflow: hidden; border: 1px solid rgba(0,0,0,.06);
      }

      .card-header { padding: 22px; background: linear-gradient(180deg, #fff, #fff 60%, var(--red-100)); border-bottom: 1px solid rgba(0,0,0,.06); }
      .card-title { margin: 0; font-size: 1.1rem; font-weight: 700; letter-spacing: .2px; }
      .card-sub { margin: 6px 0 0; color: var(--ink-500); font-size: .95rem; }

      form { padding: 22px; }
      .grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
      .col-12 { grid-column: span 12; }
      .col-6 { grid-column: span 6; }
      .col-4 { grid-column: span 4; }
      .col-3 { grid-column: span 3; }
      @media (max-width: 800px) { .col-6, .col-4, .col-3 { grid-column: span 12; } }

      label { display: block; font-weight: 600; font-size: .95rem; margin: 4px 0 8px; }
      .hint { color: var(--ink-500); font-size: .85rem; margin-top: 4px; }

      input[type="text"], input[type="email"], input[type="tel"], input[type="date"], select, textarea {
        width: 100%; padding: 12px 14px; border: 1px solid #e5e7eb; border-radius: 12px; background: #fff;
        font: inherit; outline: none; transition: box-shadow .15s, border-color .15s;
      }
      
      input:focus, select:focus, textarea:focus {
        border-color: var(--red-600); box-shadow: 0 0 0 4px var(--ring);
      }

      .inline {
        display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
      }

      .actions { display: flex; gap: 12px; align-items: center; padding: 22px; border-top: 1px solid rgba(0,0,0,.06); }

      button.primary {
        background: linear-gradient(180deg, var(--red-600), var(--red-700)); color: #fff; border: none; padding: 12px 18px; border-radius: 999px; font-weight: 700; letter-spacing: .3px; cursor: pointer; box-shadow: 0 8px 18px rgba(211,47,47,.25); transition: transform .05s ease, box-shadow .2s ease;
      }
      button.primary:hover { transform: translateY(-1px); box-shadow: 0 12px 22px rgba(211,47,47,.3); }
      button.primary:active { transform: translateY(0); box-shadow: 0 6px 14px rgba(211,47,47,.22); }

      .btn-ghost { background: transparent; border: 1px solid rgba(0,0,0,.12); color: var(--ink-700); padding: 11px 16px; border-radius: 999px; font-weight: 600; cursor: pointer; }

      .pill { display: inline-flex; align-items: center; gap: 8px; background: var(--red-100); color: var(--red-700); padding: 6px 10px; border-radius: 999px; font-size: .85rem; font-weight: 600; }

      .terms {
        padding: 22px 0px; border-top: 1px dashed rgba(0,0,0,.1); background: #fff;
      }
      details.legal { border: 1px solid rgba(0,0,0,.08); border-radius: 12px; padding: 12px 14px; background: #fff; }
      details.legal summary { cursor: pointer; font-weight: 700; color: var(--red-700); }
      details.legal p, details.legal ul { color: var(--ink-700); }

      footer { text-align: center; color: var(--ink-500); padding: 20px; font-size: .9rem; }

      .sidebar {
        display: grid; place-items: center; padding: 22px; background: radial-gradient(1200px 500px at -10% -50%, var(--red-100), transparent 60%);
      }
      .sidebar-inner {
        width: 100%; max-width: 520px; text-align: center;
      }
      .sidebar h2 { font-size: clamp(1.1rem, 0.9rem + 1vw, 1.6rem); margin: 0 0 10px; }
      .sidebar p { color: var(--ink-700); margin: 0 0 16px; }
      .badge-list { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }

      /* Toast */
      .toast { position: fixed; inset-inline: 0; top: 16px; margin-inline: auto; width: min(620px, calc(100% - 24px)); padding: 14px 16px; border-radius: 14px; border: 1px solid rgba(0,0,0,.08); background: #fff; box-shadow: 0 8px 26px rgba(0,0,0,.12); display: none; z-index: 50; }
      .toast.show { display: block; }
      .toast .title { font-weight: 700; }
      .toast .msg { color: var(--ink-700); }

      /* Utility */
      .hidden { display: none !important; }
      .required { color: var(--red-600); margin-left: 4px; }