:root {
            --primary: #4f46e5;
            --light: #f9fafb;
            --dark: #1f2937;
            --gray: #6b7280;
            --danger: #ef4444;
        }

        body {
            font-family: 'Vazir', 'Segoe UI', Tahoma, sans-serif;
            background-color: #f3f4f6;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            margin: 0;
            padding: 1rem;
        }

        .login-card {
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            width: 100%;
            max-width: 400px;
            padding: 2.5rem;
            text-align: center;
        }

        .logo {
            color: var(--primary);
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }

        .title {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 1rem;
        }

        .form-group {
            margin-bottom: 1.25rem;
            text-align: right;
        }

        label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--dark);
            font-size: 0.9rem;
        }

        .input-field {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid #e5e7eb;
            border-radius: 8px;
            font-size: 1rem;
            transition: all 0.2s;
        }

        .input-field:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }

        .btn {
            width: 100%;
            padding: 0.75rem;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 0.5rem;
        }

        .btn:hover {
            background-color: #4338ca;
        }

        .forgot-pass {
            display: block;
            text-align: left;
            margin-top: 0.5rem;
            color: var(--primary);
            font-size: 0.85rem;
            text-decoration: none;
        }

        .forgot-pass:hover {
            text-decoration: underline;
        }

        .divider {
            display: flex;
            align-items: center;
            margin: 1.5rem 0;
            color: var(--gray);
            font-size: 0.85rem;
        }

        .divider::before, .divider::after {
            content: "";
            flex: 1;
            border-bottom: 1px solid #e5e7eb;
        }

        .divider::before {
            margin-left: 1rem;
        }

        .divider::after {
            margin-right: 1rem;
        }

        .signup-link {
            color: var(--gray);
            font-size: 0.9rem;
        }

        .signup-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
        }

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