:root {
    --primary: #F97316;
    /* Modern indigo */
    --primary-dark: #f96800;
    /* Darker indigo */
    --primary-light: #f57316;
    /* Lighter indigo */
    --secondary: #ee9251;
    /* Purple */
    --accent: #8d0046;
    /* Pink accent */
    --dark-bg: #111927;
    /* Deep blue-gray */
    --darker-bg: #0b1120;
    /* Even darker */
    --card-bg: #151b25;
    /* Card background */
    --text-light: #f1f5f9;
    /* Light text */
    --text-muted: #94a3b8;
    /* Muted text */
    --border-color: #334155;
    /* Border color */
    --sidebar-width: 350px;
}
        
        * {
            font-family: 'Inter', sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, var(--darker-bg), var(--dark-bg));
            color: var(--text-light);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        
        .login-container {
            max-width: 600px;
            width: 100%;
        }
        
        .login-card {
            background: var(--card-bg);
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            overflow: hidden;
            backdrop-filter: blur(10px);
        }
        
        .login-header {
            background: linear-gradient(90deg, var(--primary));
            padding: 30px;
            text-align: center;
        }
        
        .login-header h2 {
            font-weight: 700;
            margin-bottom: 10px;
        }
        
        .login-body {
            padding: 30px;
        }
        
        .form-control {
            background-color: rgba(30, 41, 59, 0.7);
            border: 1px solid var(--border-color);
            color: var(--text-light);
            border-radius: 10px;
            padding: 12px 15px;
            height: calc(2.5rem + 2px);
            transition: all 0.3s;
        }
        
        .form-control:focus {
            background-color: rgba(30, 41, 59, 0.9);
            border-color: var(--primary);
            box-shadow: 0 0 0 0.25rem rgba(99, 102, 241, 0.25);
            color: var(--text-light);
        }
        
        .form-label {
            font-weight: 500;
            margin-bottom: 8px;
            color: var(--text-light);
        }
        
        .btn-login {
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            border: none;
            border-radius: 10px;
            padding: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all 0.3s;
            width: 100%;
            margin-top: 10px;
            color: white;
        }
        
        .btn-login:hover {
            background: linear-gradient(90deg, var(--primary-dark), var(--primary));
            transform: translateY(-2px);
           
        }
        
        .divider {
            display: flex;
            align-items: center;
            text-align: center;
            margin: 25px 0;
            color: var(--text-muted);
        }
        
        .divider::before,
        .divider::after {
            content: '';
            flex: 1;
            border-bottom: 1px solid var(--border-color);
        }
        
        .divider:not(:empty)::before {
            margin-right: 15px;
        }
        
        .divider:not(:empty)::after {
            margin-left: 15px;
        }
        
        .social-login {
            display: flex;
            gap: 15px;
            margin-bottom: 25px;
        }
        
        .social-btn {
            flex: 1;
            border: 1px solid var(--border-color);
            background: rgba(30, 41, 59, 0.5);
            border-radius: 10px;
            padding: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
        }
        
        .social-btn:hover {
            background: rgba(99, 102, 241, 0.1);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        
        .forgot-password {
            text-align: right;
            margin-bottom: 20px;
        }
        
        .forgot-password a {
            color: var(--primary-light);
            text-decoration: none;
            font-size: 0.9rem;
        }
        
        .forgot-password a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        
        .signup-link {
            text-align: center;
            margin-top: 25px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
        }
        
        .signup-link a {
            color: var(--primary-light);
            text-decoration: none;
            font-weight: 500;
        }
        
        .signup-link a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        
        .input-group-text {
            background-color: rgba(30, 41, 59, 0.7);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            border-radius: 10px 0 0 10px;
            border-right: none;
        }
        
        .input-group .form-control {
            border-radius: 0 10px 10px 0;
            border-left: none;
        }
        
        .form-check-input:checked {
            background-color: var(--primary);
            border-color: var(--primary);
        }
        
        .form-check-input:focus {
            box-shadow: 0 0 0 0.25rem rgba(99, 102, 241, 0.25);
        }
        
        .form-check-label {
            color: var(--text-muted);
        }
        
        .logo {
            font-size: 2.5rem;
            margin-bottom: 15px;
            color: white;
        }
        
        .brand-name {
            font-weight: 700;
            letter-spacing: 1px;
            color: white;
        }
        
        /* Animation */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .login-card {
            animation: fadeIn 0.5s ease-out;
        }
        
        /* Responsive */
        @media (max-width: 576px) {
            .login-body {
                padding: 20px;
            }
            
            .login-header {
                padding: 25px 20px;
            }
        }