:root {
            --primary: #1d4ed8;
            --bg: #f1f5f9;
            --dark: #0f172a;
            --text-muted: #64748b;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: 'Inter', sans-serif;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100vh;
            color: var(--dark);
        }
        .login-card {
            background: #fff;
            width: 100%;
            max-width: 400px;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            border: 1px solid #e2e8f0;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 30px;
            justify-content: center;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
        }
        .logo-text { font-weight: 700; font-size: 20px; letter-spacing: -0.5px; }
        
        h1 { font-size: 24px; font-weight: 700; margin-bottom: 8px; text-align: center; }
        p.subtitle { color: var(--text-muted); font-size: 14px; text-align: center; margin-bottom: 32px; }

        .form-group { margin-bottom: 20px; }
        label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--dark); }
        input {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid #e2e8f0;
            font-family: 'Inter', sans-serif;
            font-size: 14px;
            transition: all 0.2s;
        }
        input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.1);
        }
        
        .btn-login {
            width: 100%;
            padding: 12px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 10px;
        }
        .btn-login:hover { background: #1e40af; }

        .error-msg {
            background: #fef2f2;
            color: #dc2626;
            padding: 12px;
            border-radius: 8px;
            font-size: 13px;
            margin-bottom: 20px;
            border: 1px solid #fecaca;
            text-align: center;
        }
        .footer-links {
            margin-top: 24px;
            text-align: center;
            font-size: 13px;
        }
        .footer-links a { color: var(--primary); text-decoration: none; font-weight: 500; }