:root {
      --bg: #1c1917;
      --surface: #2a2522;
      --border: #3d3733;
      --text: #fafaf9;
      --muted: #78716c;
      --orange: #f97316;
    }

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

    body {
      background: var(--bg);
      color: var(--text);
      font-family: 'Barlow', sans-serif;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

    .login-box {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 40px 32px;
      width: 100%;
      max-width: 380px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 32px;
      justify-content: center;
    }

    .logo-icon {
      width: 40px;
      height: 40px;
      background: var(--orange);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 20px rgba(249,115,22,0.4);
    }

    .logo-text {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 28px;
      font-weight: 900;
      text-transform: uppercase;
    }

    .logo-text span { color: var(--orange); }

    h2 {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 8px;
      text-align: center;
    }

    .subtitle {
      font-size: 13px;
      color: var(--muted);
      text-align: center;
      margin-bottom: 28px;
    }

    .field {
      margin-bottom: 16px;
    }

    label {
      display: block;
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.8px;
      color: var(--muted);
      margin-bottom: 6px;
    }

    input {
      width: 100%;
      padding: 14px 16px;
      background: #1c1917;
      border: 1px solid var(--border);
      border-radius: 10px;
      color: var(--text);
      font-family: 'Barlow', sans-serif;
      font-size: 15px;
      font-weight: 600;
      outline: none;
      transition: border-color 0.15s;
    }

    input:focus { border-color: var(--orange); }

    .login-btn {
      width: 100%;
      padding: 16px;
      background: var(--orange);
      color: #fff;
      border: none;
      border-radius: 12px;
      font-family: 'Barlow', sans-serif;
      font-size: 16px;
      font-weight: 800;
      cursor: pointer;
      margin-top: 8px;
      transition: all 0.15s;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      box-shadow: 0 4px 16px rgba(249,115,22,0.3);
    }

    .login-btn:active { transform: scale(0.98); }

    .error {
      background: rgba(239,68,68,0.1);
      border: 1px solid rgba(239,68,68,0.3);
      color: #ef4444;
      padding: 12px 16px;
      border-radius: 10px;
      font-size: 13px;
      font-weight: 600;
      margin-top: 16px;
      display: none;
      text-align: center;
    }

    .error.show { display: block; }

    .signup-link {
        text-align: center;
        margin-top: 16px;
        font-size: 13px;
        color: var(--muted);
        font-weight: 600;
    }

    .signup-link a { 
        color: var(--orange); 
        text-decoration: none; 
        font-weight: 700; 
    }

    .signup-link a:hover {
        text-decoration: underline;
    }