html {
    font-size: 14px;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
    position: relative;
    min-height: 100%;
}




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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 460px;
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

    .login-header h1 {
        font-size: 28px;
        color: #1a1a1a;
        margin-bottom: 8px;
    }

    .login-header p {
        color: #666;
        font-size: 14px;
    }

.form-group {
    margin-bottom: 24px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s ease;
    background: white;
}

    input:focus {
        outline: none;
        border-color: #667eea;
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    }

    input.error {
        border-color: #ef4444;
    }

.error-message {
    color: #ef4444;
    font-size: 13px;
    margin-top: 6px;
    display: none;
}

    .error-message.show {
        display: block;
    }

.forgot-password {
    text-align: right;
    margin-bottom: 24px;
}

    .forgot-password a {
        color: #667eea;
        text-decoration: none;
        font-size: 14px;
        transition: color 0.3s ease;
    }

        .forgot-password a:hover {
            color: #764ba2;
        }

.submit-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

    .submit-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
    }

    .submit-btn:active {
        transform: translateY(0);
    }

    .submit-btn:disabled {
        opacity: 0.6;
        cursor: not-allowed;
        transform: none;
    }

.signup-link {
    text-align: center;
    margin-top: 24px;
    color: #666;
    font-size: 14px;
}

    .signup-link a {
        color: #667eea;
        text-decoration: none;
        font-weight: 600;
    }

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

.success-message {
    background: #10b981;
    color: white;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    display: none;
    animation: slideDown 0.3s ease;
}

    .success-message.show {
        display: block;
    }

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .login-container {
        padding: 30px 24px;
    }

    .login-header h1 {
        font-size: 24px;
    }
}