:root {
        --bg: #08080f;
        --bg-c: #111119;
        --bdr: #1c1c28;
        --bdr-s: #141420;
        --tx: #dddde6;
        --tx2: #999;
        --tx3: #5a5a6e;
        --tx4: #3a3a48;
        --accent: #23783b;
        --accent-hover: #1e6633;
        --red: #e53935;
        --sans: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;
      }
      html,
      body {
        height: 100%;
        font-family: var(--sans);
        background: var(--bg);
        color: var(--tx);
        -webkit-font-smoothing: antialiased;
      }

      .page {
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 100vh;
        position: relative;
      }
      .page::before {
        content: "";
        position: absolute;
        top: -200px;
        left: 50%;
        transform: translateX(-50%);
        width: 600px;
        height: 600px;
        background: radial-gradient(
          circle,
          rgba(35, 120, 59, 0.03) 0%,
          transparent 65%
        );
        pointer-events: none;
      }

      .card {
        width: 380px;
        max-width: 92vw;
        position: relative;
      }

      .logo-wrap {
        text-align: center;
        margin-bottom: 32px;
      }
      .logo-wrap img {
        height: 48px;
      }

      .box {
        background: var(--bg-c);
        border: 1px solid var(--bdr);
        border-radius: 12px;
        padding: 32px 28px 28px;
      }

      .box h1 {
        font-size: 18px;
        font-weight: 700;
        letter-spacing: -0.3px;
        margin-bottom: 4px;
      }
      .box .sub {
        font-size: 13px;
        color: var(--tx3);
        font-weight: 300;
        margin-bottom: 24px;
      }

      .field {
        margin-bottom: 16px;
      }
      .field label {
        display: block;
        font-size: 10px;
        color: var(--tx3);
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 5px;
        font-weight: 500;
      }
      .field input {
        width: 100%;
        padding: 10px 12px;
        font-size: 14px;
        font-family: var(--sans);
        border: 1px solid var(--bdr);
        border-radius: 8px;
        background: var(--bg);
        color: var(--tx);
        outline: none;
        transition: border-color 0.15s;
      }
      .field input:focus {
        border-color: var(--accent);
      }
      .field input::placeholder {
        color: var(--tx4);
      }

      .error-msg {
        font-size: 12px;
        color: var(--red);
        min-height: 20px;
        margin-bottom: 8px;
      }

      .btn-signin {
        width: 100%;
        padding: 11px;
        border: none;
        border-radius: 8px;
        background: var(--accent);
        color: #fff;
        font-size: 14px;
        font-weight: 600;
        font-family: var(--sans);
        cursor: pointer;
        transition: background 0.15s;
      }
      .btn-signin:hover {
        background: var(--accent-hover);
      }
      .btn-signin:disabled {
        background: var(--bdr);
        color: var(--tx4);
        cursor: not-allowed;
      }

      .footer {
        text-align: center;
        margin-top: 20px;
      }
      .footer a {
        font-size: 12px;
        color: var(--tx4);
        text-decoration: none;
        transition: color 0.15s;
      }
      .footer a:hover {
        color: var(--tx3);
      }