:root {
      --bg: #f3f7f7;
      --ink: #122127;
      --muted: #5d6b70;
      --brand: #0e8f83;
      --brand-strong: #096b62;
      --accent: #ee7f3b;
      --line: rgba(18, 33, 39, 0.1);
      --shadow: 0 20px 45px rgba(9, 41, 49, 0.12);
      --card: #ffffff;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Manrope', sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 8% 5%, rgba(14, 143, 131, 0.18), transparent 28%),
        radial-gradient(circle at 95% 10%, rgba(238, 127, 59, 0.16), transparent 24%),
        linear-gradient(180deg, #f8fbfb 0%, var(--bg) 75%);
      min-height: 100vh;
      overflow-x: hidden;
    }

    .shell {
      width: min(1140px, 94%);
      margin: 0 auto;
    }

    header {
      position: sticky;
      top: 0;
      z-index: 20;
      backdrop-filter: blur(8px);
      background: rgba(248, 251, 251, 0.78);
      border-bottom: 1px solid var(--line);
    }

    .topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 0;
      gap: 20px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: var(--ink);
      font-family: 'Sora', sans-serif;
      font-weight: 700;
      letter-spacing: 0.2px;
    }

    .brand-badge {
      width: 34px;
      height: 34px;
      border-radius: 10px;
      display: grid;
      place-items: center;
      background: linear-gradient(145deg, var(--brand), #0fb8a9);
      color: #fff;
      font-weight: 800;
    }

    nav {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
    }

    nav a {
      text-decoration: none;
      color: var(--ink);
      padding: 9px 13px;
      border-radius: 999px;
      font-size: 0.95rem;
      font-weight: 600;
      transition: background 0.2s ease, color 0.2s ease;
    }

    nav a:hover,
    nav a.active {
      background: rgba(14, 143, 131, 0.13);
      color: var(--brand-strong);
    }

    .is-hidden {
      display: none !important;
    }

    main {
      padding: 54px 0 68px;
    }

    .wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      align-items: stretch;
    }

    .info,
    .login-card {
      border: 1px solid var(--line);
      border-radius: 22px;
      background: linear-gradient(180deg, #ffffff, #f7fbfb);
      box-shadow: var(--shadow);
      padding: 24px;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      border: 1px solid rgba(14, 143, 131, 0.26);
      color: var(--brand-strong);
      background: rgba(14, 143, 131, 0.08);
      font-weight: 700;
      font-size: 0.84rem;
      margin-bottom: 12px;
    }

    h1,
    h2 {
      font-family: 'Sora', sans-serif;
    }

    h1 {
      font-size: clamp(1.8rem, 3vw, 2.4rem);
      margin-bottom: 10px;
    }

    .info p {
      color: var(--muted);
      line-height: 1.65;
      margin-bottom: 12px;
    }

    .check-list {
      margin-top: 12px;
      display: grid;
      gap: 10px;
      color: var(--muted);
    }

    .check-item {
      padding: 10px 12px;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: var(--card);
    }

    .login-card h2 {
      font-size: 1.45rem;
      margin-bottom: 6px;
    }

    .login-card p {
      color: var(--muted);
      margin-bottom: 16px;
    }

    .auth-switch {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
      padding: 6px;
      background: rgba(14, 143, 131, 0.08);
      border: 1px solid rgba(14, 143, 131, 0.14);
      border-radius: 14px;
      margin-bottom: 18px;
    }

    .auth-tab {
      border: 0;
      border-radius: 10px;
      padding: 10px 12px;
      font-family: 'Manrope', sans-serif;
      font-size: 0.92rem;
      font-weight: 800;
      background: transparent;
      color: var(--muted);
      cursor: pointer;
      transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    }

    .auth-tab.active {
      background: #fff;
      color: var(--brand-strong);
      box-shadow: 0 10px 20px rgba(9, 41, 49, 0.08);
    }

    .auth-panel[hidden] {
      display: none !important;
    }

    .field {
      display: grid;
      gap: 6px;
      margin-bottom: 12px;
    }

    label {
      font-size: 0.92rem;
      font-weight: 700;
      color: #1f343a;
    }

    .field input {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 10px;
      padding: 12px 13px;
      font-size: 0.95rem;
      font-family: 'Manrope', sans-serif;
      outline: none;
      background: #fff;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .field input:focus {
      border-color: rgba(14, 143, 131, 0.55);
      box-shadow: 0 0 0 4px rgba(14, 143, 131, 0.14);
    }

    .password-wrap {
      position: relative;
    }

    .password-wrap input {
      padding-right: 95px;
    }

    .toggle-pass {
      position: absolute;
      top: 50%;
      right: 8px;
      transform: translateY(-50%);
      border: 0;
      background: rgba(14, 143, 131, 0.12);
      color: var(--brand-strong);
      font-weight: 700;
      font-size: 0.78rem;
      border-radius: 8px;
      padding: 7px 10px;
      cursor: pointer;
    }

    .row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 16px;
      font-size: 0.9rem;
      color: var(--muted);
    }

    .row label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      color: var(--muted);
      font-size: 0.9rem;
      cursor: pointer;
    }

    .row input[type="checkbox"] {
      width: 16px;
      height: 16px;
      accent-color: var(--brand);
    }

    .row a {
      color: var(--brand-strong);
      text-decoration: none;
      font-weight: 700;
    }

    .btn {
      border: 0;
      width: 100%;
      text-decoration: none;
      padding: 13px 18px;
      border-radius: 11px;
      font-weight: 800;
      font-size: 0.95rem;
      letter-spacing: 0.2px;
      cursor: pointer;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      color: #fff;
      background: linear-gradient(135deg, var(--brand), #0cac9c);
      box-shadow: 0 12px 26px rgba(14, 143, 131, 0.25);
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .small {
      margin-top: 14px;
      text-align: center;
      color: var(--muted);
      font-size: 0.88rem;
    }

    .small a {
      color: var(--brand-strong);
      text-decoration: none;
      font-weight: 700;
    }


    .form-feedback {
      display: none;
      border-radius: 10px;
      padding: 10px 12px;
      margin-bottom: 12px;
      font-size: 0.88rem;
      line-height: 1.45;
    }

    .form-feedback.error {
      display: block;
      color: #8b3a18;
      background: rgba(238, 127, 59, 0.16);
      border: 1px solid rgba(238, 127, 59, 0.38);
    }

    .form-feedback.success {
      display: block;
      color: #0f5f55;
      background: rgba(14, 143, 131, 0.14);
      border: 1px solid rgba(14, 143, 131, 0.38);
    }

    .trust-row {
      margin-top: 14px;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 8px;
    }

    .trust-item {
      border: 1px solid var(--line);
      border-radius: 10px;
      background: #fff;
      padding: 8px;
      text-align: center;
      font-size: 0.8rem;
      color: #2a454d;
      font-weight: 700;
    }

    .actions {
      margin-top: 18px;
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .actions .btn {
      width: auto;
    }

    .btn-soft {
      border: 1px solid rgba(14, 143, 131, 0.25);
      background: rgba(14, 143, 131, 0.1);
      color: var(--brand-strong);
    }

    @media (max-width: 920px) {
      .topbar {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
      }

      nav {
        width: 100%;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x proximity;
        padding-bottom: 4px;
      }

      nav a {
        font-size: 0.9rem;
        padding: 8px 11px;
        white-space: nowrap;
        flex: 0 0 auto;
        scroll-snap-align: start;
      }

      .wrap {
        grid-template-columns: 1fr;
      }

      .info,
      .login-card {
        padding: 18px;
      }

      .trust-row {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 480px) {
      main {
        padding: 28px 0 44px;
      }

      .info,
      .login-card {
        padding: 14px;
      }

      h1 {
        font-size: 1.5rem;
      }

      .password-wrap input {
        padding-right: 80px;
      }

      .toggle-pass {
        font-size: 0.72rem;
        padding: 6px 8px;
      }

      .actions {
        flex-direction: column;
      }

      .actions .btn {
        width: 100%;
      }
    }

    .reveal-section {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity 0.55s ease, transform 0.55s ease;
    }

    .reveal-section.visible {
      opacity: 1;
      transform: translateY(0);
    }