:root {
      --bg: #F6F8FB;
      --panel: #FFFFFF;
      --accent: #2563EB;
      --text: #1A1F2B;
      --muted: #4B5565;
      --line: #E6EAF0;
      --danger: #C2410C;
      --success: #2F855A;
    }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      font-family: "Bahnschrift", "Segoe UI Variable", "Yu Gothic UI", sans-serif;
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
    }
    .auth-main {
      min-height: calc(100vh - 120px);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 18px;
      padding: 26px 16px 18px;
    }
    .panel {
      width: min(460px, 92vw);
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 22px;
      box-shadow: 0 10px 24px rgba(17, 24, 39, 0.06);
    }
    h1 { margin: 0 0 6px; font-size: 22px; letter-spacing: 0.4px; }
    .meta { color: var(--muted); font-size: 13px; margin-bottom: 16px; line-height: 1.6; }
    label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
    input {
      width: 100%;
      height: 38px;
      border-radius: 10px;
      border: 1px solid var(--line);
      background: #fff;
      color: var(--text);
      padding: 0 12px;
      font-size: 14px;
    }
    .field { margin-bottom: 12px; }
    .password-wrap { position: relative; }
    .password-wrap > input { padding-right: 44px; }
    .toggle-visibility {
      position: absolute;
      right: 10px;
      top: 50%;
      transform: translateY(-50%);
      width: 28px;
      height: 28px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      border: 1px solid rgba(230, 234, 240, 1);
      background: rgba(246, 248, 251, 0.9);
      color: var(--muted);
      cursor: pointer;
      padding: 0;
    }
    .toggle-visibility:hover { background: rgba(246, 248, 251, 1); }
    .toggle-visibility svg {
      width: 16px;
      height: 16px;
      stroke: currentColor;
    }
    .toggle-visibility .icon-eye-off { display: none; }
    .toggle-visibility[data-state="visible"] .icon-eye { display: none; }
    .toggle-visibility[data-state="visible"] .icon-eye-off { display: block; }
    button {
      width: 100%;
      height: 40px;
      border-radius: 12px;
      border: 1px solid var(--accent);
      background: var(--accent);
      color: #fff;
      font-weight: 750;
      letter-spacing: 0.3px;
      cursor: pointer;
    }
    button:disabled { opacity: 0.6; cursor: not-allowed; }
    .error { color: var(--danger); font-size: 13px; min-height: 18px; margin-top: 8px; white-space: pre-line; }
    .success { color: var(--success); font-size: 13px; min-height: 18px; margin-top: 8px; white-space: pre-line; }
    .link {
      margin-top: 12px;
      display: block;
      text-align: center;
      color: var(--accent);
      text-decoration: none;
      font-weight: 700;
      font-size: 13px;
    }
    .footer {
      color: var(--muted);
      font-size: 12.5px;
      font-weight: 650;
      text-align: center;
      padding: 0 18px 18px;
      line-height: 1.8;
    }
    .footer a {
      color: var(--accent);
      text-decoration: none;
      font-weight: 750;
    }
    .footer a:hover { text-decoration: underline; }